Checkin' it Out by Lil' Chris climbed from 19 to three, and there was also a big jump for Evanescence.

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Mr. RAYMOND: (Singing) I saw shorty, she was checkin' up on me, from the game she was spittin' in my ear, you would think she knew me.

NPR: 'In The Mix' Marks Usher's Film Debut

Will Facebook begin to function as a checkin mechanism?

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