"Hey Jude" is a great Beatles song and sing along part plays well at concerts. Whoever planned this T-mobile ad picked a good song. It's fun watching the crowd get involved.
I need to give a shout out to Lilly for posting this. It's a great find and I suspect it will become a viral video soon.
Youtube marketing - even the post office is giving it a shot. I'm not sure how these episodes of office horror satire relates to the post office products - but maybe it's just a hook to promote their brand.