I think at this point, given that both Android and IOS make giving apps access to your contact list easy, you are in fact in these sorts of graph databases in a

I think at this point, given that both Android and IOS make giving apps access to your contact list easy, you are in fact in these sorts of graph databases in a couple dozen organizations by now, courtesy of people you know. Facebook is not going to be the worst of them by a looooooooooooooong shot. Pokemon Go, Skype (now Microsoft), Whatsapp, Snapchat, Line & WeChat if you live in Asia, Path, Yelp, Twitter, ... all the bigger internet companies [1] And sadly there's the really cheesy ones like "Fantasy War Tactics" [2]. How many of your friends play that sort of crap ? [1] https://venturebeat.com/2012/02/14/iphone-address-book/ https://venturebeat.com/2012/02/14/iphone-address-book/ [2] https://www.reddit.com/r/AndroidGaming/comments/42ok29/why_would_a_game_need_access_to_contacts_and_phone/ https://www.reddit.com/r/AndroidGaming/comments/42ok29/why_w...