App Vine News Today

Of the app vine. are you a viner? >> im not a viner, but i know all about it. to me its a video tease. >> six seconds. its an art form. well be looking at that. its the number one app. it only launched in january. it launched in january and the co-founder of twitter will show me how to use vine. well obviously be talking about mr. z whos knowledge of communism and totalitarianism is unperilled. >> j.t. and jay-z on tapper. thank you. well see you coming up at the top of the hour. coming up nex...