"What would happen if Coke loosened its grip on its formula? . What if it allowed fans and chemists alike to concoct a derivative version of the soda pop, credit Coke and keep the train moving by using a Commons License to pass the recipe on and on and on."

-- Frances Katz, Harvard Law blogger, writing about Free Beer, a brewery that "applies modern free software / open source methods to a traditional real-world product (beer)" so that anyone can make--and mash up--free beer.