Twitter cofounder Ev Williams is leaving the company's board

One of Twitter's cofounders is taking a major step back from the company: Ev Williams is leaving the company's board.
“It’s been an incredible 13 years, and I’m proud of what Twitter has accomplished during my time with the company. I will continue rooting for the team as I focus my time on other projects,” Williams said in a statement in an SEC filing announcing his departure from the board.Thank you, @jack and @biz for starting this crazy company with me—and conti