Is that a coffee cup on your car or are you just trying to wish me 'happy holidays'

Post on the B2.0 Blog about Starbuck's "oops I left my cup on top of my car" marketing (I swear this looks like an Apprentice task). A guy drives his car around town with a cup of Starbuck's on top; it's actually affixed. As I commented on the original blog post, I suspect they are looking to drive (pun intended) people to the nearest-by Starbucks by making them think of how good a grande would be right now (my grande non-fat double-cut eggnog latte today was quite tasty). But I'm not sure a little cup on top of a car in a big city is enough to gather that much attention from a brand-building standpoint (on the other hand, we're blogging about it). They should give out coupons to the nice people that try to tell the guy his cup's on his car. And the nice people who blog about it ; )