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Groups > comp.mobile.android > #155420 > unrolled thread

How does whatsapp work?

Started bymicky <NONONOmisc07@fmguy.com>
First post2026-08-31 09:01 -0400
Last post2026-09-09 12:53 +0200
Articles 13 on this page of 173 — 13 participants

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Contents

  How does whatsapp work? micky <NONONOmisc07@fmguy.com> - 2026-08-31 09:01 -0400
    Re: How does whatsapp work? Maria Sophia <mariasophia@comprehension.com> - 2026-08-31 09:20 -0600
      Re: How does whatsapp work? micky <NONONOmisc07@fmguy.com> - 2026-09-01 00:51 -0400
    Re: How does whatsapp work? "Carlos E.R." <robin_listas@es.invalid> - 2026-08-31 20:37 +0200
      Re: How does whatsapp work? micky <NONONOmisc07@fmguy.com> - 2026-09-01 01:01 -0400
        Re: How does whatsapp work? "Carlos E.R." <robin_listas@es.invalid> - 2026-09-01 09:44 +0200
      Re: How does whatsapp work? "s|b" <me@privacy.invalid> - 2026-09-01 12:47 +0200
        Signal (was: Re: How does whatsapp work?) Nuno Silva <nunojsilva@invalid.invalid> - 2026-09-01 12:21 +0100
          Re: Signal (was: Re: How does whatsapp work?) "s|b" <me@privacy.invalid> - 2026-09-01 16:30 +0200
            Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-01 19:15 +0200
              Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-01 19:32 +0200
                Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-01 21:25 +0200
                  Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-01 21:26 +0200
                    Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-01 21:53 +0200
                      Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 11:20 +0200
                        Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-02 17:10 +0200
                          Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 20:37 +0200
                            Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-02 21:23 +0200
                              Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 21:36 +0200
                                Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-02 22:31 +0200
                                  Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 22:32 +0200
                                    Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-03 02:40 +0530
                                      Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 23:24 +0200
                                        Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-03 11:39 +0845
                                          [OT/Meta] Trolling (was: Re: Signal) Nuno Silva <nunojsilva@invalid.invalid> - 2026-09-03 11:37 +0100
                                            Re: [OT/Meta] Trolling Maria Sophia <mariasophia@comprehension.com> - 2026-09-04 03:43 +0930
                            Re: Signal Nuno Silva <nunojsilva@invalid.invalid> - 2026-09-03 11:28 +0100
                              Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-04 02:31 +0930
                  [OT] "trolling" (was: Re: Signal) Nuno Silva <nunojsilva@invalid.invalid> - 2026-09-02 11:18 +0100
                    Re: [OT] "trolling" Maria Sophia <mariasophia@comprehension.com> - 2026-09-02 17:10 +0200
                      Re: [OT] "trolling" "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 20:25 +0200
                        Re: [OT] "trolling" Maria Sophia <mariasophia@comprehension.com> - 2026-09-02 22:28 +0200
                          Re: [OT] "trolling" "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 22:33 +0200
                            Re: [OT] "trolling" Maria Sophia <mariasophia@comprehension.com> - 2026-09-03 02:41 +0530
                              Re: [OT] "trolling" "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 23:25 +0200
                                Re: [OT] "trolling" Maria Sophia <mariasophia@comprehension.com> - 2026-09-03 11:35 +0845
                      Re: [OT] "trolling" Chris <ithinkiam@gmail.com> - 2026-09-09 20:07 +0000
                        Re: [OT] "trolling" "Carlos E.R." <robin_listas@es.invalid> - 2026-09-10 09:27 +0200
                    Re: [OT] "trolling" "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 20:24 +0200
                      Re: [OT] "trolling" Frank Slootweg <this@ddress.is.invalid> - 2026-09-02 18:56 +0000
                        Re: [OT] "trolling" Maria Sophia <mariasophia@comprehension.com> - 2026-09-02 21:18 +0200
                          Re: [OT] "trolling" "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 21:38 +0200
                            Re: [OT] "trolling" Maria Sophia <mariasophia@comprehension.com> - 2026-09-02 22:27 +0200
                              Re: [OT] "trolling" "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 22:33 +0200
                                Re: [OT] "trolling" Maria Sophia <mariasophia@comprehension.com> - 2026-09-03 05:58 +0845
                                  Re: [OT] "trolling" "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 23:25 +0200
                                    Re: [OT] "trolling" Maria Sophia <mariasophia@comprehension.com> - 2026-09-03 11:36 +0845
              Re: Signal Andy Burns <usenet@andyburns.uk> - 2026-09-01 18:59 +0100
                Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-01 21:18 +0200
              Re: Signal Nuno Silva <nunojsilva@invalid.invalid> - 2026-09-02 11:11 +0100
                Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-02 17:18 +0200
                  Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 20:28 +0200
                    Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-02 21:25 +0200
                      Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 21:38 +0200
                        Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-02 22:32 +0200
                          Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 23:00 +0200
                            Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-03 02:39 +0530
          Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-01 19:05 +0200
            Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-01 19:13 +0200
              Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-01 20:52 +0200
                Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-01 21:27 +0200
                  Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-01 21:50 +0200
                    Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 11:20 +0200
                      Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-02 17:11 +0200
                        Re: Signal Nuno Silva <nunojsilva@invalid.invalid> - 2026-09-02 18:50 +0100
                          Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 20:30 +0200
                            Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-02 21:34 +0200
                              Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 21:51 +0200
                                Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-02 22:34 +0200
                                  Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 23:00 +0200
                                    Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-03 06:00 +0845
                            Re: Signal Andy Burns <usenet@andyburns.uk> - 2026-09-03 09:42 +0100
                              Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-04 03:13 +0930
                                [OT] "trolling" (was: Re: Signal) Nuno Silva <nunojsilva@invalid.invalid> - 2026-09-04 13:12 +0100
                                  Re: [OT] "trolling" (was: Re: Signal) micky <NONONOmisc07@fmguy.com> - 2026-09-08 21:04 +0300
                                    Re: [OT] "trolling" (was: Re: Signal) Jim Jackson <jj@franjam.org.uk> - 2026-09-08 19:32 +0000
                                      Re: [OT] "trolling" (was: Re: Signal) micky <NONONOmisc07@fmguy.com> - 2026-09-09 08:21 +0300
                          Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-02 21:31 +0200
                            Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 21:51 +0200
                              Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-02 22:27 +0200
                                Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 22:34 +0200
                                  Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-03 02:37 +0530
                                Re: Signal Nuno Silva <nunojsilva@invalid.invalid> - 2026-09-03 11:55 +0100
                                  Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-04 02:44 +0930
                                    [OT] "trolling" (was: Re: Signal) Nuno Silva <nunojsilva@invalid.invalid> - 2026-09-04 12:39 +0100
                                    Re: Signal micky <NONONOmisc07@fmguy.com> - 2026-09-09 08:44 +0300
                                  Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-04 09:56 +0200
                                    [OT] "trolling" (was: Re: Signal) Nuno Silva <nunojsilva@invalid.invalid> - 2026-09-06 10:17 +0100
                                      Re: [OT] "trolling" "Carlos E.R." <robin_listas@es.invalid> - 2026-09-06 13:59 +0200
                                        Re: [OT] "trolling" Nuno Silva <nunojsilva@invalid.invalid> - 2026-09-06 13:34 +0100
                                          Re: [OT] "trolling" "Carlos E.R." <robin_listas@es.invalid> - 2026-09-06 20:07 +0200
                                        Re: [OT] "trolling" micky <NONONOmisc07@fmguy.com> - 2026-09-09 08:51 +0300
                                          Re: [OT] "trolling" "Carlos E.R." <robin_listas@es.invalid> - 2026-09-09 12:49 +0200
                                          Contacts AJL <noemail@none.com> - 2026-09-09 09:55 -0700
                                            Re: Contacts Nuno Silva <nunojsilva@invalid.invalid> - 2026-09-10 10:16 +0100
                                              Re: Contacts Maria Sophia <mariasophia@comprehension.com> - 2026-09-10 09:30 -0700
                                                Re: Contacts AJL <noemail@none.com> - 2026-09-10 17:49 +0000
                                                  Re: Contacts Maria Sophia <mariasophia@comprehension.com> - 2026-09-10 21:33 -0700
                                                    Re: Contacts AJL <noemail@none.com> - 2026-09-11 06:54 +0000
                                                      Re: Contacts Maria Sophia <mariasophia@comprehension.com> - 2026-09-11 01:24 -0600
                                                        Re: Contacts AJL <noemail@none.com> - 2026-09-11 11:09 -0700
                                                          Re: Contacts Frank Slootweg <this@ddress.is.invalid> - 2026-09-11 18:23 +0000
                                                            Re: Contacts Maria Sophia <mariasophia@comprehension.com> - 2026-09-11 12:56 -0600
                                                              Re: Contacts Frank Slootweg <this@ddress.is.invalid> - 2026-09-11 19:37 +0000
                                                          Re: Contacts Maria Sophia <mariasophia@comprehension.com> - 2026-09-11 12:46 -0600
                                                            Re: Contacts AJL <noemail@none.com> - 2026-09-11 12:48 -0700
                                                              Re: Contacts Maria Sophia <mariasophia@comprehension.com> - 2026-09-11 21:59 -0230
                                                                Re: Contacts AJL <noemail@none.com> - 2026-09-11 19:12 -0700
                                                                  Re: Contacts Maria Sophia <mariasophia@comprehension.com> - 2026-09-12 01:31 -0100
                                                              Re: Contacts Frank Slootweg <this@ddress.is.invalid> - 2026-09-12 13:00 +0000
                                                                Re: Contacts AJL <noemail@none.com> - 2026-09-12 08:32 -0700
                                                                  Re: Contacts Maria Sophia <mariasophia@comprehension.com> - 2026-09-12 17:31 +0000
                                                                    Re: Contacts AJL <noemail@none.com> - 2026-09-12 13:05 -0700
                                                                  Re: Contacts Frank Slootweg <this@ddress.is.invalid> - 2026-09-12 18:00 +0000
                                                                    Re: Contacts AJL <noemail@none.com> - 2026-09-12 13:05 -0700
                                                          Re: Contacts micky <NONONOmisc07@fmguy.com> - 2026-09-17 13:33 +0300
                                                            Re: Contacts AJL <noemail@none.com> - 2026-09-17 12:30 +0000
                                                              Re: Contacts Siard <saylor259@mailbox.org> - 2026-09-17 15:12 +0200
                                                                Re: Contacts AJL <noemail@none.com> - 2026-09-17 16:12 +0000
                                                                Re: Contacts Maria Sophia <mariasophia@comprehension.com> - 2026-09-17 18:48 +0200
                                                                Re: Contacts Arno Welzel <usenet@arnowelzel.de> - 2026-09-18 10:04 +0200
                                                            Re: Contacts Arno Welzel <usenet@arnowelzel.de> - 2026-09-18 10:00 +0200
                                                              Re: Contacts AJL <noemail@none.com> - 2026-09-18 10:58 -0700
                                                  Re: Contacts micky <NONONOmisc07@fmguy.com> - 2026-09-17 13:26 +0300
                                                Re: Contacts Nuno Silva <nunojsilva@invalid.invalid> - 2026-09-11 00:30 +0100
                                            Re: Contacts micky <NONONOmisc07@fmguy.com> - 2026-09-12 21:58 +0300
                                              Re: Contacts AJL <noemail@none.com> - 2026-09-12 13:16 -0700
                                                Re: Contacts micky <NONONOmisc07@fmguy.com> - 2026-09-13 05:06 +0300
                                                  Re: Contacts micky <NONONOmisc07@fmguy.com> - 2026-09-13 05:15 +0300
                                                    Re: Contacts AJL <noemail@none.com> - 2026-09-12 20:40 -0700
                                                      Re: Contacts Maria Sophia <mariasophia@comprehension.com> - 2026-09-13 11:22 +0545
                                                        Re: Contacts AJL <noemail@none.com> - 2026-09-13 06:05 -0700
                                                          Re: Contacts Maria Sophia <mariasophia@comprehension.com> - 2026-09-13 06:54 -1000
                                                            Re: Contacts AJL <noemail@none.com> - 2026-09-13 14:17 -0700
                                                              Re: Contacts Maria Sophia <mariasophia@comprehension.com> - 2026-09-15 00:50 +0000
                                                          Re: Contacts Frank Slootweg <this@ddress.is.invalid> - 2026-09-13 19:02 +0000
                                                            Re: Contacts AJL <noemail@none.com> - 2026-09-13 14:17 -0700
                                                              Re: Contacts Maria Sophia <mariasophia@comprehension.com> - 2026-09-14 21:56 -0300
                                                            Re: Contacts AJL <noemail@none.com> - 2026-09-20 00:15 -0700
                                                              Re: Contacts micky <NONONOmisc07@fmguy.com> - 2026-09-23 21:02 +0300
                                                    Application identification on Motorola Android (was: Re: Contacts) Nuno Silva <nunojsilva@invalid.invalid> - 2026-09-13 08:11 +0100
                            Re: Signal Nuno Silva <nunojsilva@invalid.invalid> - 2026-09-02 21:12 +0100
                              Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-02 22:26 +0200
                              Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 22:40 +0200
                                Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-03 02:35 +0530
                                  Re: Signal Nuno Silva <nunojsilva@invalid.invalid> - 2026-09-03 00:03 +0100
                                    Re: Signal Nuno Silva <user17785@newsgrouper.org.invalid> - 2026-09-03 01:00 +0000
                                      Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-04 02:47 +0930
                            [OT] "trolling" (was: Re: Signal) Nuno Silva <nunojsilva@invalid.invalid> - 2026-09-03 11:49 +0100
                              Re: [OT] "trolling" Maria Sophia <mariasophia@comprehension.com> - 2026-09-04 03:38 +0930
                              Re: [OT] "trolling" "Carlos E.R." <robin_listas@es.invalid> - 2026-09-04 09:26 +0200
                        Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 20:29 +0200
                          Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-02 21:33 +0200
                            Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 21:51 +0200
                              Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-02 22:35 +0200
                                Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 23:00 +0200
                                  Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-03 02:36 +0530
                Re: Signal Nuno Silva <nunojsilva@invalid.invalid> - 2026-09-02 11:24 +0100
                  Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-02 17:30 +0200
                  Re: Signal Andy Burns <usenet@andyburns.uk> - 2026-09-03 09:29 +0100
                    Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-04 03:04 +0930
                      Re: Signal Andy Burns <usenet@andyburns.uk> - 2026-09-03 18:46 +0100
                        Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-04 04:22 +0930
            Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-01 19:20 +0200
        Re: How does whatsapp work? "Carlos E.R." <robin_listas@es.invalid> - 2026-09-01 17:03 +0200
          Re: How does whatsapp work? "s|b" <me@privacy.invalid> - 2026-09-02 20:56 +0200
            Re: How does whatsapp work? "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 21:04 +0200
              Re: How does whatsapp work? "s|b" <me@privacy.invalid> - 2026-09-04 21:15 +0200
                Re: How does whatsapp work? "Carlos E.R." <robin_listas@es.invalid> - 2026-09-05 14:14 +0200
                  Re: How does whatsapp work? "s|b" <me@privacy.invalid> - 2026-09-05 18:03 +0200
      Re: How does whatsapp work? Frank Slootweg <this@ddress.is.invalid> - 2026-09-01 14:37 +0000
        Re: How does whatsapp work? micky <NONONOmisc07@fmguy.com> - 2026-09-09 09:07 +0300
          Re: How does whatsapp work? "Carlos E.R." <robin_listas@es.invalid> - 2026-09-09 12:53 +0200

Page 9 of 9 — ← Prev page 1 2 3 4 5 6 7 8 [9]


#155597 — Re: Signal

FromMaria Sophia <mariasophia@comprehension.com>
Date2026-09-04 03:04 +0930
SubjectRe: Signal
Message-ID<117cb2h$2o6p$1@nnrp.usenet.blueworldhosting.com>
In reply to#155582
Andy Burns wrote:
>>> <https://android-developers.googleblog.com/2026/03/contact-picker-privacy-first-contact.html>
>>>
>>> allows selective sharing of contacts, rather than all contacts,
>>> allows time-limited access to contacts
>> 
>> Now that looks awesome, and it really should have been around for years
>> already. I don't want to have to choose between all or nothing.
> 
> What google needs to do is set a sunset date for the old contacts 
> sharing permission, to force WhatsApp & co to move on ...

Hi Andy,

There is already, kind'a sort'a, something "like that" in Android 17... 
But not really... 

Apparently, you and I seem to be the only people who are posting to this
thread who actually understand the technical details of contacts access
here, where I hadn't thought of that idea, but it's logical. I like it.

Since I strive to add value to the topic (even as this thread has been
infested by the trolls), I looked it up for both iOS and for Android

Unfortunately, for iOS, limited-contacts access does not have a default
expiry. It persists until the user changes the permitted contacts/access.
 <https://developer.apple.com/documentation/contacts/cnauthorizationstatus>
 <https://developer.apple.com/documentation/contacts/accessing-the-contact-store>

Same for Google, even with the Android 17 contact-picker improvements.
 <https://developer.android.com/about/versions/17/features/contact-picker>
 <https://developer.android.com/reference/android/provider/ContactsPickerSessionContract.Session>

The closest we can get to your rather brilliant idea on Apple iOS18+ is
limited contacts access where we can give an app access to only a selected
subset of our contacts. 
 <https://developer.apple.com/documentation/contacts/cnauthorizationstatus/limited>

Android 17 goes in a somewhat different direction as its system Contact
Picker lets an app ask you to select particular contacts to grant it
temporary, session-based access to the requested fields.
 <https://developer.android.com/about/versions/17/features/contact-picker>
 <https://developer.android.com/blog/posts/the-second-beta-of-android-17>

So Android's approach is kind'a sort'a getting closer to your expiry idea,
but it doesn't give us a persistent, selectively scoped permission with a
configurable/default lifetime.

Interestingly, since I always try to keep both mobile platforms in mind,
iOS has perhaps the better implementation of persistent access to only
these people, while Android has perhaps the better implementation of give
the app these people for this particular operation and then take the access
away.
-- 
Privacy is a million things, of which most people only know about three.

[toc] | [prev] | [next] | [standalone]


#155599 — Re: Signal

FromAndy Burns <usenet@andyburns.uk>
Date2026-09-03 18:46 +0100
SubjectRe: Signal
Message-ID<nftq1vF790uU1@mid.individual.net>
In reply to#155597
Maria Sophia wrote:

> Unfortunately, for iOS, limited-contacts access does not have a default
> expiry. It persists until the user changes the permitted contacts/access.
>   <https://developer.apple.com/documentation/contacts/cnauthorizationstatus>
>   <https://developer.apple.com/documentation/contacts/accessing-the- 
> contact-store>
> 
> Same for Google, even with the Android 17 contact-picker improvements.
>   <https://developer.android.com/about/versions/17/features/contact-picker>
>   <https://developer.android.com/reference/android/provider/ 
> ContactsPickerSessionContract.Session>
> 
> The closest we can get to your rather brilliant idea on Apple iOS18+ is
> limited contacts access where we can give an app access to only a selected
> subset of our contacts.

I meant a different type of "sunset", something like, google have 
rolled-out the new contacts API in android 17, but by e.g. Android 19 
they'll be removing the old API that lets apps scoff all your contacts.

This gives the WhatsApps of this world a reason to switch to the new API 
if they want their app to keep working on the newest phone models.

[toc] | [prev] | [next] | [standalone]


#155603 — Re: Signal

FromMaria Sophia <mariasophia@comprehension.com>
Date2026-09-04 04:22 +0930
SubjectRe: Signal
Message-ID<117cflg$8ki$1@nnrp.usenet.blueworldhosting.com>
In reply to#155599
Andy Burns wrote:
>> The closest we can get to your rather brilliant idea on Apple iOS18+ is
>> limited contacts access where we can give an app access to only a selected
>> subset of our contacts.
> 
> I meant a different type of "sunset", something like, google have 
> rolled-out the new contacts API in android 17, but by e.g. Android 19 
> they'll be removing the old API that lets apps scoff all your contacts.
> 
> This gives the WhatsApps of this world a reason to switch to the new API 
> if they want their app to keep working on the newest phone models.

Oh. I'm sorry for not understanding fully the issues you pointed out.

I thought you wanted the access itself to expire over time (which, I think,
is a good idea) but you're discussing that the API itself will expire.

I agree. That's a good thing for contacts privacy.

What amazes me about contacts is the same thing that amazes me about what
people think, in general, which is they don't understand how contacts work,
and yet, when I mention anything to do with contacts privacy, they go nuts.

This thread is a very unpleasant example of that phenomenon.

It's like telling someone next to you putting premium in their Honda Civic
that they're wasting their money. They think I'm nuts since their whole
lives, they believed that premium gives them more power. 

Why else would it be more expensive, they reason.

It's the same here with contacts.
 a. They have no idea how it works
 b. And yet, they have very strong ideas that what I say, to them, is wrong

Carlos did that in spades in this thread.
Sigh.

It makes helping people less than pleasant.

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#155475 — Re: Signal

FromMaria Sophia <mariasophia@comprehension.com>
Date2026-09-01 19:20 +0200
SubjectRe: Signal
Message-ID<11771gt$10iq$1@nnrp.usenet.blueworldhosting.com>
In reply to#155471
Maria Sophia wrote:
> Looking up Signal in particular, apparently it does not ask to be your
> default contacts or default dialer/phone app but it "can" be your default
> SMS app if you set it to be so.

UPDATE

Looking it up further, apparently that's changed.
 *Can I send SMS/MMS with Signal?*
 <https://support.signal.org/hc/en-us/articles/360007321171-Can-I-send-SMS-MMS-with-Signal>

  No. You can not send or receive insecure SMS/MMS with Signal.
  All communication through Signal is private. 
  Both you and your contact need to use Signal if you want to communicate    
  privately with messages and calls. This means only those numbers stored 
  in our contacts belonging to registered Signal users will appear in your 
  Signal contacts list.
  Signal used to support SMS in the Android app but this functionality was   
  removed. Read more on the blog post here.

  *Removing SMS support from Signal Android (soon)*  12 Oct 2022
  <https://signal.org/blog/sms-removal-android/>
-- 
People are remarkably careless with contacts who are supposedly friends.

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#155466

From"Carlos E.R." <robin_listas@es.invalid>
Date2026-09-01 17:03 +0200
Message-ID<s36jmmx81g.ln2@Telcontar.valinor>
In reply to#155454
On 2026-09-01 12:47, s|b wrote:
> On Mon, 31 Aug 2026 20:37:46 +0200, Carlos E.R. wrote:
> 
>> The WA number is always the real phone number. However, since recently
>> you can define an alias and use that instead.
> 
> Same with Signal. But you still need the phone number to set it up,
> don't you?
> 

I assume that with WhatsApp you need a phone number to set it up, then 
you define an Alias. But I do not know. This alias thing is new.

-- 
Cheers, Carlos.
ES🇪🇸, EU🇪🇺;

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#155522

From"s|b" <me@privacy.invalid>
Date2026-09-02 20:56 +0200
Message-ID<nfr9qqFphcpU1@mid.individual.net>
In reply to#155466
On Tue, 1 Sep 2026 17:03:56 +0200, Carlos E.R. wrote:

> I assume that with WhatsApp you need a phone number to set it up, then 
> you define an Alias. But I do not know. This alias thing is new.

Apparently it's not active in Belgium yet. People can register a
username, but they can't use it yet.

-- 
s|b

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#155523

From"Carlos E.R." <robin_listas@es.invalid>
Date2026-09-02 21:04 +0200
Message-ID<ci8mmmxmsa.ln2@Telcontar.valinor>
In reply to#155522
On 2026-09-02 20:56, s|b wrote:
> On Tue, 1 Sep 2026 17:03:56 +0200, Carlos E.R. wrote:
> 
>> I assume that with WhatsApp you need a phone number to set it up, then
>> you define an Alias. But I do not know. This alias thing is new.
> 
> Apparently it's not active in Belgium yet. People can register a
> username, but they can't use it yet.
> 

Ah, yes, I think that happens in Spain too.

I don't really know because using an alias instead of a phone number is 
not important to me, so I have not reserved one.

-- 
Cheers, Carlos.
ES🇪🇸, EU🇪🇺;

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#155621

From"s|b" <me@privacy.invalid>
Date2026-09-04 21:15 +0200
Message-ID<ng0jloFkoikU1@mid.individual.net>
In reply to#155523
On Wed, 2 Sep 2026 21:04:12 +0200, Carlos E.R. wrote:

> On 2026-09-02 20:56, s|b wrote:
>
> > Apparently it's not active in Belgium yet. People can register a
> > username, but they can't use it yet.

> Ah, yes, I think that happens in Spain too.
> 
> I don't really know because using an alias instead of a phone number is 
> not important to me, so I have not reserved one.

I've got one in Signal, but so far I've added people who already got my
phone number, so there was no use in hiding my phone number and using
that username. But it's an option...

-- 
s|b

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#155645

From"Carlos E.R." <robin_listas@es.invalid>
Date2026-09-05 14:14 +0200
Message-ID<rldtmmxscp.ln2@Telcontar.valinor>
In reply to#155621
On 2026-09-04 21:15, s|b wrote:
> On Wed, 2 Sep 2026 21:04:12 +0200, Carlos E.R. wrote:
> 
>> On 2026-09-02 20:56, s|b wrote:
>>
>>> Apparently it's not active in Belgium yet. People can register a
>>> username, but they can't use it yet.
> 
>> Ah, yes, I think that happens in Spain too.
>>
>> I don't really know because using an alias instead of a phone number is
>> not important to me, so I have not reserved one.
> 
> I've got one in Signal, but so far I've added people who already got my
> phone number, so there was no use in hiding my phone number and using
> that username. But it's an option...
> 

If I contact a plumber to do some work for me, send him photos on 
whatsapp, it is possible that I pay him using Bizum, which is a system 
in Spain for direct payment person to person identified by the phone number.

Just an example :-)

-- 
Cheers, Carlos.
ES🇪🇸, EU🇪🇺;

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#155647

From"s|b" <me@privacy.invalid>
Date2026-09-05 18:03 +0200
Message-ID<ng2sqhF1gg4U1@mid.individual.net>
In reply to#155645
On Sat, 5 Sep 2026 14:14:19 +0200, Carlos E.R. wrote:

> If I contact a plumber to do some work for me, send him photos on 
> whatsapp, it is possible that I pay him using Bizum, which is a system 
> in Spain for direct payment person to person identified by the phone number.
> 
> Just an example :-)

Bizum. I don't know it, but Wero works in the same way. In time, Wero
will replace Bancontact in Belgium. Netherlands, Luxembourg, France,
Germany will also start using Wero or are already (partially) using it.

That way, everybody will be giving their phone number to everybody. I
haven't activated it myself, but in the future I will have no choice.

-- 
s|b

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#155465

FromFrank Slootweg <this@ddress.is.invalid>
Date2026-09-01 14:37 +0000
Message-ID<1176uvv.cic.1@ID-201911.user.individual.net>
In reply to#155439
Carlos E.R. <robin_listas@es.invalid> wrote:
[...]

> The WA number is always the real phone number. However, since recently 
> you can define an alias and use that instead.

  I know what you mean, but as Micky also mentioned, the WhatsApp number
is *a* real phone number. It doesn't have to be the phone number of the
phone WhatsApp is running on.

  Your WhatsApp number is an *identification* number, which, in normally
most cases, is *also* *a* telephone number.

  Micky already gave an example where the phone is in an other country
and has (only) a foreign SIM with a different phone number. In that
case, WhatsApp still uses your 'home' 'phone' number.

  Another example: WhatsApp works perfectly fine on a Wi-Fi-only
SIM-less tablet (or phone), provided that during setup, you have given
WhatsApp *a* phone number which belongs to you. In the old days, such a
phone number could even be a landline (non-mobile) number (That was our
very first setup.). These days, that's only available for business
acounts.

[...]

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#155810

Frommicky <NONONOmisc07@fmguy.com>
Date2026-09-09 09:07 +0300
Message-ID<ejt1ald847q6tm3dek8i9qg4ug9aepsssq@4ax.com>
In reply to#155465
In comp.mobile.android, on 1 Sep 2026 14:37:34 GMT, Frank Slootweg
<this@ddress.is.invalid> wrote:

>Carlos E.R. <robin_listas@es.invalid> wrote:
>[...]
>
>> The WA number is always the real phone number. However, since recently 
>> you can define an alias and use that instead.
>
>  I know what you mean, but as Micky also mentioned, the WhatsApp number
>is *a* real phone number. It doesn't have to be the phone number of the
>phone WhatsApp is running on.
>
>  Your WhatsApp number is an *identification* number, which, in normally
>most cases, is *also* *a* telephone number.
>
>  Micky already gave an example where the phone is in an other country
>and has (only) a foreign SIM with a different phone number. In that
>case, WhatsApp still uses your 'home' 'phone' number.

It's been several years but I think I can elaborate on what I said in
the first place . I think when I got Whatsapp I was already using a
foreign SIM , and when I got home and went back to my normal phone
number the Whatsapp number and the Phone number didn't match .
Eventually I thought this was too confusing for me , and I found that
you can change your Whatsapp number by going into the Whatsapp settings
and clicking on the place where it displays your number . I didn't
realize that was a data entry field . I thought it was a heading . So I
changed it to my home cell phone number, and of course it accepted that
. I don't know if there's any validation involved and I could have just
given it any old number , maybe not but why would I want to do that ? 

 So this left me still confused because I can't remember what my
Whatsapp number is some of the time even though it's my USA cell phone
number and I live in the USA.That is, I can't remember that it's my USA
cell phone number    . LOL  
>
>  Another example: WhatsApp works perfectly fine on a Wi-Fi-only
>SIM-less tablet (or phone), provided that during setup, you have given
>WhatsApp *a* phone number which belongs to you. In the old days, such a
>phone number could even be a landline (non-mobile) number (That was our
>very first setup.). These days, that's only available for business
>acounts.
>
>[...]

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#155815

From"Carlos E.R." <robin_listas@es.invalid>
Date2026-09-09 12:53 +0200
Message-ID<sdq7nmxdmp.ln2@Telcontar.valinor>
In reply to#155810
On 2026-09-09 08:07, micky wrote:
> In comp.mobile.android, on 1 Sep 2026 14:37:34 GMT, Frank Slootweg
> <this@ddress.is.invalid> wrote:
> 
>> Carlos E.R. <robin_listas@es.invalid> wrote:
>> [...]
>>
>>> The WA number is always the real phone number. However, since recently
>>> you can define an alias and use that instead.
>>
>>   I know what you mean, but as Micky also mentioned, the WhatsApp number
>> is *a* real phone number. It doesn't have to be the phone number of the
>> phone WhatsApp is running on.
>>
>>   Your WhatsApp number is an *identification* number, which, in normally
>> most cases, is *also* *a* telephone number.
>>
>>   Micky already gave an example where the phone is in an other country
>> and has (only) a foreign SIM with a different phone number. In that
>> case, WhatsApp still uses your 'home' 'phone' number.
> 
> It's been several years but I think I can elaborate on what I said in
> the first place . I think when I got Whatsapp I was already using a
> foreign SIM , and when I got home and went back to my normal phone
> number the Whatsapp number and the Phone number didn't match .
> Eventually I thought this was too confusing for me , and I found that
> you can change your Whatsapp number by going into the Whatsapp settings
> and clicking on the place where it displays your number . I didn't
> realize that was a data entry field . I thought it was a heading . So I
> changed it to my home cell phone number, and of course it accepted that
> . I don't know if there's any validation involved and I could have just
> given it any old number , maybe not but why would I want to do that ?

I believe an application has access to the current phone number of the 
device. Maybe a permission is involved. Sending and receiving and SMS 
confirms that it works, if needed.

Which is confusing because these apps ask for the number.

> 
>   So this left me still confused because I can't remember what my
> Whatsapp number is some of the time even though it's my USA cell phone
> number and I live in the USA.That is, I can't remember that it's my USA
> cell phone number    . LOL
>>
>>   Another example: WhatsApp works perfectly fine on a Wi-Fi-only
>> SIM-less tablet (or phone), provided that during setup, you have given
>> WhatsApp *a* phone number which belongs to you. In the old days, such a
>> phone number could even be a landline (non-mobile) number (That was our
>> very first setup.). These days, that's only available for business
>> acounts.
>>
>> [...]


-- 
Cheers, Carlos.
ES🇪🇸, EU🇪🇺;

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