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A comment on Facebook Doesn’t Tell Users Everything It Really Knows About Them. Parent comment

Re:Facebook Doesn’t Tell Users Everything It Really Knows Ab... by dublinben on Thursday December 29, 2016 @03:58PM (#13280065)
The most common source of those suggestions is phone contacts. Anyone using the Facebook (or Instagram) app is sending them a copy of their entire address book to be used for network mapping purposes.
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Re:Facebook Doesn’t Tell Users Everything It Really Knows Ab... by xg15 on Thursday December 29, 2016 @05:05PM (#13280577)
How about Whatsapp? (especially since it apparently keeps all whatsapp contacts in "unknown" state if you deny the permission on android)
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Re:Facebook Doesn’t Tell Users Everything It Really Knows Ab... by bagacrap on Thursday December 29, 2016 @11:04PM (#13282428)
I don't know if this is still true given the permissions model on Android (don't know about iOS). I just checked IG and it only has access to storage. Contacts, SMS, microphone, etc are not enabled.
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Re:Facebook Doesn’t Tell Users Everything It Really Knows Ab... by marcosdumay on Friday December 30, 2016 @10:07AM (#13284672)
WatsApp can read your contacts.
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Re:Facebook Doesn’t Tell Users Everything It Really Knows Ab... by deadringerr on Thursday December 29, 2016 @04:06PM (#13280134)
Instagram, you say? Go on...
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Re:Facebook Doesn’t Tell Users Everything It Really Knows Ab... by nommm-nommm on Thursday December 29, 2016 @10:33PM (#13282302)
Instagram is owned by Facebook.
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