Jon Stewart explains Twitter

In his Daily Show segment “Old Man Stewart Shakes His Fist At _____,” Stewart starts the segment with: “For the uninitiated, here’s how Twitter works - I have no f***cking idea.” He goes on, “I have no idea how it works - or why it is.” … Oh surpise, Viacom made YouTube take it down, but here it is for all you guys … enjoy. [ ](http://www.comedycentral.com) [The Daily Show With Jon Stewart](http://www.