Keith's Notes.

NY Times: Why Twitter turned down facebook by Clair Cain Miller.

Evan Williams: C.E.O. of Twitter, Co-founder.

To search twitter, go to search.twitter.com

Filtr: A filter client for twitter.

Re: Evan Williams founded Pyra Labs. Pyra Labs created Blogger a decade ago and sold it to Google in 2003.

Yammer: Twitter copycat focused on Coorporate. It is founded by Jack Dorsey.

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