It addresses peoples' need to be "discoverable." Also, like Twitter, blogs, Yahoo Answers, etc., it satisfies peoples' need to be listened to. And, for many, it

It addresses peoples' need to be "discoverable." Also, like Twitter, blogs, Yahoo Answers, etc., it satisfies peoples' need to be listened to. And, for many, it's a good platform for finding people to date and for hookups. IMHO, it's about human ego.