Here is a link brought to you by a CtS brother with a bunch of youtube videos of different commercials that used rap as their method of getting the message across. I didn't watch them all, but the ones i saw were both hilarious and memory-filled. I totally remember (and rapped along to) the california raisins saying "Books! Check 'em ooutt". Also, you have probably not been my friend long enough if i have never broken into the following rap in front of you anytime an occasion calls for impromptu rapping:
My name is Sara and I'm here to say
i like fruity pebbles in a major way
Sooo, apparently the rap commercial method worked on this noggin, because those sweet rhymes are locked in the memory vault forever.