http://video.google.com/googleplayer.swf?showShareButtons=true&docId=2209695345825335173%3A2018000%3A1343000&hl=en

Evan Williams, cofounder & CEO of Twitter, on the Charlie Rose show.

Great job Ev!

(disclosure: I am on the Twitter board of directors along with Fred Wilson and Peter Fenton and we are investors in the company).