Article Photos: 5 Super Bowl ads that enlist viewer help 1/6

This frame grab provided by Coca Cola, shows a moment in the Super Bowl 2013 Coca Cola campaign.  You don't have to be a football player to be a part of the action on Super Bowl Sunday. Coca-Cola is asking people to vote for an online match between three groups competing for a Coke on Game Day.   (AP Photo/Coca Cola)