The 2008 election might be remembered as the first one in history that was won and lost through online video. From will.i.am's brilliant "Yes We Can" clip supporting Barack Obama to the Wassup 2008 vid — viewed over 3 million times in little more than a week — never have videos been so prevalent in the campaign cycle. (It is certainly the first election where a presidential candidate had a dance-off with Ellen.)

Silicon Alley Insider's Nicholas Carlson put together a list of the 10 video clips that altered the race, including the two mentioned above and other hits from the campaign trail.