You gotta admire the un-subtlety of this latest instance of Titsvertising via the Pepsi brand of sugared liquids. And you gotta admire the SI swimsuit model for so baldly exploiting her Bread and Butter (may or may not be her nicknames for her Jumblies). If you're that much of a hard-up mook, you can even try the challenge yourself here. I even created a version of the contest: click here and try to keep your eyes on the Google logo. TITS! What can't they sell?