SAN FRANCISCO CA MAY 25 After Stock Photo (Edit Now) 78049630 - Shutterstock View Preview Save Try Share Edit Editorial use only Editorial credit: Annette Shaff / Shutterstock.com Sign In We're Sorry! Sign in to our Contributor site. Forgot your password? Sign In Don’t have an account? Sign Up Create your Free Account Please send me product announcements, helpful advice, and special promotions. Download By creating an account, I agree to Shutterstock's Website Terms, Privacy Policy, and Licensing Terms. Already have an account? Sign In By Annette Shaff Royalty-free stock photo ID: 78049630 SAN FRANCISCO, CA - MAY 25: After months of rumors, Twitter has finally announced that it has acquired third-party client TweetDeck on May 25, 2011 in San Francisco, CA - Image twitter bird account follow trend internet message app application com deck fans followers login site trending twit web www Show more Show less Categories: Business/Finance, Technology Similar images See all Same model See all Same artist See all