According Techcrunch, Twitter hired Dick Costolo as COO, he will start next week. Dick Costolo is a founder of Feedburner which was sold to Google for $100 mil back in 2007.

 By August, 2009 Twitter reached almost 50 million unique visitors worldwide and now it struggles to become major online news source. Also, Twitter is looking to generate revenue from their free service. It is belived, that Dick Costolo knowledge and experience in social media will help Twitter to move in right direction and be able to build more features to deliver news and information.
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