As location continues to garner a lot of buzz, more and more brands are thinking about innovative ways to use it for promotion. We've seen dozens of brands sign up with Foursquare to promote things, and they're starting to embrace Gowalla in a major way too. The latest three are: Adobe, Chipotle, and the New Jersey Nets. Today at his Where 2.0 talk in San Jose, CA, Gowalla CEO Josh Williams unveiled Adobe's plan to use the service's signature stamps to give away a dozen copies of their new Creative Suite 5 software.