The word on the street is that anonymous tips can play a critical role in police solving crimes. Often the anonymous tips actually alert the police to the existence of crimes in the first place. But how do the cops get those tips? The days of paid informants like Huggy Bear meeting Starsky & Hutch in the back of dark alleys is over, and modern technology is shepherding in a whole new way to narc on your neighbors. The Associated Press (AP) recently reported on how police departments are now starting to rely