Last year, Britney Spears' managers, Adam Leber and Larry Rudolph, requested a meeting with Klout Chief Executive Joe Fernandez in San Francisco.

WSJ: Wannabe Cool Kids Aim to Game the Web's New Social Scorekeepers

Consider the four players who have scampered around at a quicker pace than Harper since the start of 2010, when the writer Larry Granillo started Tater Trot Tracker: Adam Rosales, Chris Heisey, Scott Rolen and Orlando Hudson.

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With the number two pick in the NBA draft this summer, the Portland Trailblazers passed on Adam Morrison, hailed by many as the next Larry Bird, and snagged LaMarcus Aldridge instead.

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Larry Mullen Jr. adds a touch of humanity to the number of synthesized percussion and drum loops, and bassist Adam Clayton remains one of the most rock-solid players in the business.

CNN: Entertainment - U2's latest a muddle of music both memorable, middling