According to a recent survey by Nielsen, this social media-powered campaign has already paid off in terms of increased media coverage for the soft-drink maker: The survey shows that Pepsi accounted for more than 21 per cent of the media coverage and online buzz around Super Bowl advertising — about 10 times as much as Coca-Cola. And the icing on the cake: The $20 million Pepsi is spending on its crowdsourcing project is about $10 million less than it usually spends on Super Bowl ads.