Twitter Investor Sacca Interview on Costolo

Oct. 5 (Bloomberg) -- Chris Sacca, managing director of Lowercase Capital, talks about how Twitter Inc., the social-networking service with more than 165 million users, elevated Chief Operating Officer Dick Costolo to chief executive officer, turning to a manager who is more focused on building revenue. Sacca, a Twitter investor, speaks with Cris Valerio and Margaret Brennan on Bloomberg Television's "InBusiness." (Source: Bloomberg)