Ideas worth spreading

The voices of Twitter users

1,320,671 views | Evan Williams • TED2009

In the year leading up to this talk, the web tool Twitter exploded in size (up 10x during 2008 alone). Co-founder Evan Williams reveals that many of the ideas driving that growth came from unexpected uses invented by the users themselves.

In the year leading up to this talk, the web tool Twitter exploded in size (up 10x during 2008 alone). Co-founder Evan Williams reveals that many of the ideas driving that growth came from unexpected uses invented by the users themselves.

This talk was presented at an official TED conference. TED's editors chose to feature it for you.

About the speaker

Evan Williams

Twitter co-founder

See speaker profile

Evan Williams is the co-founder of Twitter, the addictive messaging service that connects the world 140 characters at a time.

This talk was presented at an official TED conference. TED's editors chose to feature it for you.