Twitter's Vine app has only been available since late January of 2013, but it's already become a favorite app for folks who love shooting, editing, and sharing six-second videos of just about everything. Yesterday, Vine reached the number one spot of the US App Store for free apps, causing Vine app creative director and co-founder Rus Yusupov (@rus) to engage in a little Twitter hyperbole (above).
Who knows? The way Vine's popularity has been growing steadily since its initial release, perhaps Yusupov will soon be correct in saying that it's the "No. 1 most popular app in the world." The app integrates well with Twitter so shared videos show up
