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
Sidney Dorsey to Brown's murder, but was unsuccessful. During his tenure as sheriff, Dorsey also served on the task force that looked into reopening the case of convicted child murderer Wayne Williams. Dorsey appeared as one of many, including some of the victims' relatives, who voiced public doubt of Williams's guilt of the murders. Dorsey is quoted as stating: ""Most people who are aware of the child murders believe as I do that Wayne Williams did not commit these crimes"". Williams was identified as the key suspect in the Atlanta Child Murders that occurred between 1979 and 1981. In January 1982, he