Guilty Pleasure, Wasting Time On Social Media

I know a lot of people who have a Facebook wall, a MySpace page, and they tweet on Twitter too! How do they find the time to sort through friend requests, upload and tag photos, choose background and songs, not to mention stalking ex-boyfriends? Social networking is probably the number-one time-waster on the Internet, but it is handy for keeping in touch with the girl whose mother drove the car-pool in third grade...