Same Technology that Offers Me A&M Gear?

From the New York Times.

Members of the booming social network Web sites treat their individual profile pages as a creative canvas for personal expression.

The social networking companies see those pages as a lush target for advertisers — if only they could customize the ads. Although Internet companies have talked about specifically aiming their ads since the inception of the Web, so far advertising on social networks has been characterized by mass-marketed pitches for mortgages and online dating sites.