I'd say it was probably one of the Dorito's ones. They were all decent ads.
And the worst was equally easy: the ads for GoDaddy. Ugh, way to play into stereotypes and try to use sex to drive hits. That had nothing to do with the product, and was borderline offensive. (Then again, so were their commercials last year.)
-dunno001
-On a quest for the truly perfect game; I don't think it exists...