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Twitter COO Dick Costolo Replaces Evan Williams As CEO

AP | MICHAEL LIEDTKE | Posted 05.25.2011 | Technology

SAN FRANCISCO — Twitter Inc., the Internet service for short messages, is developing a penchant for keeping its CEOs' tenures relatively brief, ...

Twitter COO's Latest Career Move: Male Model

techcrunch.com | Posted 05.25.2011 | Technology

Apparently, Costolo, who relocated to the Bay Area for the job at Twitter, was so thrilled with the work of his realtors that he agreed to be in a loc...

Twitter Gets A New CEO #NewTwitterCEO

The Huffington Post | Bianca Bosker | Posted 05.25.2011 | Technology

Twitter COO Dick Costolo is replacing Evan Williams as the CEO of Twitter, the company announced in a blog post Monday. Evan Williams wrote, The c...

Twitter Commercial Accounts Are Coming, Co-Founder And COO Reveal

Posted 05.25.2011 | Technology

Twitter will be adding commercial accounts and advertising to its site, the micro-blogging site's COO and co-founder confirmed. Stone outlined the si...