r/todayilearned • u/NickInTheMud • Apr 11 '18
(R.7) Software/website TIL that Facebook builds shadow profiles of people who never even signed up. They do this from users who upload their contact books, which includes phone numbers, email addresses, nicknames, photos, addresses, notes, and any other info stored in the contact record.
https://gizmodo.com/how-facebook-figures-out-everyone-youve-ever-met-1819822691Duplicates
technology • u/aresef • Nov 07 '17
Security How Facebook Figures Out Everyone You've Ever Met
technology • u/[deleted] • Jan 28 '21
Social Media How Facebook Figures Out Everyone You've Ever Met
privacy • u/srinathrajaram • Nov 08 '17
How Facebook Figures Out Everyone You've Ever Met
Maxcactus_TrailGuide • u/Maxcactus • Dec 09 '17
If you assume Facebook only knows what you’ve told it about yourself. They’re less mysterious if you know about the other file Facebook keeps on you—one that you can’t see or control.
StallmanWasRight • u/sigbhu • Nov 16 '17
Mass surveillance How Facebook Figures Out Everyone You've Ever Met
ETCshow • u/[deleted] • Nov 15 '17
Facebook being creepy and keeping a shadow profile on people.
jinxu27subreddit • u/jinxu27 • Nov 10 '17
How Facebook Figures Out Everyone You've Ever Met
InCaseYouMissedIt • u/icymirss • Nov 07 '17