I'm not sure why radio isn't picking up on it faster. It's selling huge & the video is THE IT topic right now.
Because they have so much irresistible radio candy (in English) from Maroon 5, Kesha and Rihanna, that they have no incentive to play what people really want to hear.
What kind of monster is that?
Before it I don't even think we will have a billion views video in the next 5 years
It seem like everyone who have Internet watched this video