For decades, Internet scams have been as numerous as they’ve been easy to spot — but fraudsters’ tools and tricks are now becoming more sophisticated.Those poorly written spam e-mails often seem more annoying than threatening, but they can wreak financial havoc on their victims. Precise statistics are hard to pin down, but experts believe global Internet fraud scams people out of hundreds of millions to billions of dollars each year.
http://money.cnn.com/2011/07/26/technology/internet_scam_artists/