Jack Dorsey Chairman after Dick Costolo replaced Williams as the CEO. On June 10, 2015, Costolo announced that he was resigning as CEO of Twitter, effective July 1, 2015. Dorsey would assume the post of Interim CEO upon Costolo's departure. He was named permanent CEO of Twitter on October 5, 2015. On the day after the controversy about Twitter's new algorithms for tweets, Dorsey responded to the trend, saying it was only a hoax. In May 2016, Dorsey announced that Twitter would not count photos and links in the 140-character limit to free up more space for text. This move was an
Glenn Dorsey he started all 16 games and had 69 tackles and two sacks. In 2011, Dorsey had 62 tackles, but no sacks. On March 13, 2013, Dorsey signed a two-year deal with the San Francisco 49ers. Dorsey was expected to be a reserve, but following the injury to starting nose tackle Ian Williams in week two, Dorsey took over the starting job. Dorsey signed a two-year extension with San Francisco on August 19, 2014. On November 25, 2015, Dorsey was placed on injured reserve with a torn ACL, ending his season. He promoted animal protection with PETA. Glenn Dorsey Glenn Jamon