NASCAR Photo Gallery

Brad Keselowski, driver of the No. 19 Cooper Standard Ram, addresses the media about NASCAR and Twitter's partnership alongside Omid Ashtari, from left, Head of Sports and Entertainment for Twitter, Steve Phelps, Senior Vice President and Chief Marketing Officer for NASCAR, and Nelson Piquet Jr., driver of the #30 Alpinestars Chevrolet, during race day coverage at Charlotte Motor Speedway on May 18, 2012, in Charlotte, N.C. (Picture Credit: Chris Graythen/Getty Images)

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