Actress talks about the power of Twitter
Transformers star and R&B singer gets sentimental on Facebook
NYPD to scour Twitter, Facebook and Myspace for criminal activity
The more you have, the more you know
Nothing to 'like' about pornographic, sadistic and violent photos, users say
Social network says it will do 'whatever it takes' to shut porn site down for stealing content
Michael Taylor, ridiculed by uncle for gangbanging, shot dead in New Orleans