Ask HN: How does LinkedIn know so much about me?
So browsing through my linked in account, it does a great job of recommending people I know (people I graduated with ... people from work, etc).Here's the thing though, it's too good. For example, it just recommended I connect with a SCUBA instructor I met with once in Florida. I saw this guy once, 2 years ago, haven't seen him since and have no other connections to him. The only way I can...