Last year, Audi held a rather creative contest on the social networking site, Twitter. The prize at stake was a day behind the wheel of a 2012 Audi R8. And how was it won? Simply by tweeting the @Audi account, telling them how much you'd love the opportunity. Oh, and you had to use the tag #WantAnR8 in your post.

Months after the contest ended, people continued tweeting with the #WantAnR8 tag. It actually