Jay-Z and Alicia Keys' "Empire State of Mind" has now sold five million digital copies, becoming each artists' top selling hit. Jay and Keys are two of the, maybe, five to eight artists under 45 that you could realistically envision headling the Super Bowl Halftime show and "Empire State of Mind" is about as anthemic as it gets; but...

How can such a provincial song became such a worldwide hit? Proves once again that NYC is the world's greatest city.

And, more importantly, who's still downloading "Empire State of Mind" from iTunes three years after its release? Get your life together, whoever you are.