New York Times By LOUISE STORYPublished: November 7, 2007

FACEBOOK wants to put your face on advertisements for products that you like. Facebook .com is a social networking site that lets people accumulate “friends” and share preferences and play games with them. Each member creates a home page where he or she can post photographs, likes and dislikes and updates about their activities. Yesterday, in a twist on word-of-mouth marketing, Facebook began selling ads that display people’s profile photos next to commercial messages that are shown to their friends about items they purchased or registered an opinion about.