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Jack Dorsey

‎@jack‎

CEO, Twitter

Increasing our Investment in Machine Learning
iOS 5: Tweet everywhere
search+photos
Twitter Trends & a Tip
Trimming the Sails
Man down!
Too much Jabber!
Thu, 05/22/2008 - 15:38
Wed, 05/21/2008 - 22:31
Twittday
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