Josh Warner is president and founder of Feed Company , which promotes and distributes brand videos, including campaigns such as Levi’s “Backflip,” Ray-Ban’s “Catch” and Activision’s “Bike Hero.” In five years, Feed Company has seeded more than 300 videos across the social web.

This year in viral video ads feels a lot like last year — many advertisers chose to evolve successful concepts and characters, such as Old Spice pairing Mustafa with Fabio for an old-fashioned Internet duel, and DC Shoes continuing Ken Block's hugely popular Gymkhana series. I guess the adage is, "If it's not broken, don't fix it."

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For some advertisers on this year's Top 10 videos, the creative choices may be less obvious, but feel more innovative. Boldness trumping caution is certainly one theme for videos represented by K-Swiss's foul-mouthed Kenny Powers and Ford Focus's flirtatious sock puppet. But other advertisers have other audiences in mind, drawn to the poignancy and emotion of Volkswagen's The Force and The Silent Indian National Anthem videos, which proves there is no single formula for success for viral video ads, other than knowing your audience and being very creative about engaging them.

Here are the top ten viral video ads for 2011. Let us know your favorites in the comments below.