**FILE** Facebook.com founder Mark Zuckerberg smiles at Facebook headquarters in Palo Alto, Calif., in this Feb. 5, 2007, file photo. Facebook Inc. has avoided the acquisition frenzy that’s gobbled up MySpace.com, YouTube and other startups, and the company is now striving to become a general portal like Yahoo, not just a social networking site for college students. (AP Photo/Paul Sakuma)