The following video is this week's Motley Fool Money radio show, with Chris Hill, Ron Gross, Joe Magyer, and Charly Travers. Shares of LinkedIn were up 16% on Friday after the business-networking site reported strong earnings. Does Facebook need to develop its own version of LinkedIn? In this segment, the guys analyze the challenges Facebook faces in the business-networking space and discuss whether the first-mover advantage gives LinkedIn an insurmountable lead in this race.

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