http://techcrunch.com/2010/10/04/twitter-ceo-dick-costolo/ http://techcrunch.com/2010/10/04/twitter-ceo-dick-costolo/ 'New Twitter was definitely a trigger for

http://techcrunch.com/2010/10/04/twitter-ceo-dick-costolo/ http://techcrunch.com/2010/10/04/twitter-ceo-dick-costolo/ 'New Twitter was definitely a trigger for this,' Williams told me. 'Conveniently, I took over the CEO role just about two years ago - and brought Dick in just about a year ago. I’ve always thought of myself as more of a product guy, and New Twitter seems to work out well,' he continued. 'New Twitter was a moment of clarity for all of us here,' Costolo added. '[With this change] Ev can once again focus on product.'