It's probably too early to say - after all it's not every day that you can get exclusive access to material not available in the mainstream media.

BBC: Twitter's super-injunction surge

Launched by NASCAR, Sprint and Turner Sports, the app allows fans to follow their favorite drivers and stay on top of all the Chase for the NASCAR Sprint Cup race action, including access to race day content, schedules, standings, breaking news and more.

FORBES: NASCAR's Innovative Social Media Approach Leads to Significant Growth in Fan Base