I remember viewing this presentation months ago, in which an ex-googler presents the idea behind social circles: http://www.slideshare.net/padday/the-real-life-

I remember viewing this presentation months ago, in which an ex-googler presents the idea behind social circles: http://www.slideshare.net/padday/the-real-life-social-network-v2 http://www.slideshare.net/padday/the-real-life-social-networ...