Social network MySpace sorted the profiles of its estimated 118 million monthly visitors into about 1,000 categories or "buckets" based on their interests so as to provide a more targeted advertising system that debuted last fall. Sean Muzzy, senior partner and media director at WPP Group shop Neo@Ogilvy, said, "The closer you get to the audience you want, the better you get in terms of clicks or sales of the product." The success of this initiative is on tap to be assessed Tuesday when parent company News Corp. releases its fiscal 2008 earnings report.

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