<A target="_blank" href="http://www.sophos.com/blogs/gc/g/2010/08/16/facebook-dislike-button-scam-spreads-virally/">Yet another scam has hit Facebook. </A>This time it starts with a message claiming someone you know has just gotten a "Dislike" button and includes a link to a web site. Clicking on the link makes you the next virus spreader.