News for hackers. Stuff that matters.

A comment on Ask HN: How has Facebook figured out my family doctor as a friend suggestion?. Parent comment

Re:Ask HN: How has Facebook figured out my family doctor as ... by compsciphd on Friday April 21, 2017 @05:37AM (#14164162)
the asker doesn't have to upload his contacts, he just has to tell facebook his number or email address. the doctor might have uploaded his contacts which include one of those pieces of information.
[ Parent | on HN ]

There are no comments on this comment yet.