Twitter airs first TV ad during Nascar race

(CBS News) Twitter aired its first-ever television ad Sunday during the 2012 Pocono 400 Nascar race.

Twitter is a popular real-time, micro-blogging service that lets users broadcast 140-character updates, photos and links. The service uses metadata tags called hashtags, which are any combination of words following a pound sign, to filter content.

During the ad, Nascar driver Brad Keselowski uses his iPhone to take a picture from his car, which we presume is in the pit. The tagline simply says, "See what he sees." At the end of the commercial, viewers are directed to

The hashtag leads to a branded Nascar page, which features tweets, people and photos that are related to Nascar.

"Anyone watching the Pocono 400 on Sunday - even if you're not a current Twitter user - can visit watch the race unfold from every angle, and get insider access to all the places the cameras can't take you," Omid Ashtari, Twitter sports and entertainment business developer, said in a blog post.

Twitter will continue the Nascar series through the Sprint Cup series.