Essentially, the purpose of advertising is to sell a product. Even if that product is a nonessential sugar filled soft drink. Coke-A-Cola has done an excellent job of creating a global brand (remember that hilltop of diversity?). This year at the Superbowl they debuted a commercial showcasing their place in America's multicultural identity, which can be viewed here. As always, NPR has made some excellent observations about all of the buzz, which can be heard here. They discuss the commercial, the backlash and the purpose of the controversy.