ooks like Google's recent buyout of video sharing site YouTube for $1.65 billion has turned the heat up. Yahoo! may become more aggressive in buying an up and coming social network, according to analysts, amid speculation that it is interested in smaller MySpace rival, Facebook.

Yahoo! Inc. faces pressure to invest more in social networking sites since there has been a definitive shift by Web audiences to sites like MySpace, YouTube and Facebook. After years of charging premium ad prices to reach users of its websites and communities, Yahoo now blames the slowdown on the increased importance of the hugely popular social networking sites.... more