On a mystery-related note today: check out this article on how the FBI is using social networking sites to investigate suspects. They're using Facebook photos and Tweets to check alibis and find evidence of robberies--how very innovative of the Feeb people. And for us mystery writers: there's another new way to create an alibi for your character. He was tweeting at a ballgame.
As you can imagine, lawsuits and civil liberties protests abound. And you may want to check your list of Twitter followers--Bob Jones may not be your friend at all.
Still. Interesting story material, huh?