Twitter 's video - sharing app , YouTube , launched Thursday . Already , some folks are finding ways to be creative with it . Sure , a lot of the Vine posts we 're seeing are random images of crap on people 's desks , their lunches or their cats . From Jimmy Fallon to the Australian Open , tennis clips are on YouTube .
Twitter 's video - sharing app , YouTube , launched Thursday . Already , some folks are finding ways to be creative with it . From Jimmy Fallon to the Australian Open , tennis clips are on YouTube .