myYearbook launched in 2005 and about 3 million people visited the site in June. myyearbook takes its cues from real high school yearbooks; it allows class mates to sign each other's virtual yearbooks, and hosts "most likely to . . ." contests. The content is very specific to the high school audience. These niche sites might be the way of the future for social networking. eMarketer says social networking sites will draw $900 million in advertising dollars during 2007, and predicts about $2.5 billion by 2011. FULL ARTICLE @ PC WORLD