"This approach makes total sense," he added. "Before they can start charging businesses, they had to make sure that the advertising was effective... This is a very low-risk and high-return move by Facebook. I consider this low-hanging revenue fruit."

Sharon Gaudin covers the Internet and Web 2.0, emerging technologies, and desktop and laptop chips for Computerworld. Follow Sharon on Twitter at , on or subscribe to . Her email address is .

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