What is Twitter?  Hear what co-founder Ev Williams has to say about it at TED, one of the most interesting conferences in the world.

Ev Williams, co-founder of Twitter, explains how Twitter came to be and how it continues to surprise him as it evolves.  Since it’s beginnings in the latter 1990’s The TED conference puts the most interesting people in the fields of technology, education, and design on stage before some of the smartest and most influential audiences.

TED - Evan Williams on Twitter