
A new study has revealed why it is that people lose friends on Facebook. Have you ever unfriended someone or-gasp-been unfriended yourself?

As the third world adopts the U.S.'s biggest social networking site, Americans are leaving it by the millions.

Teacher Natalie Munroe blogged about her students—and got suspended for it. Is calling kids "rat-like" and "lazy whiners" protected by free speech?