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
Troy (Dorsey, Maryland) which was split into two unequal parts in 1760 and given to Sarah Dorsey and Thomas Dorsey. Thomas Dorsey would use the root cellar as a meeting place with Benjamin Warfield of Cherry Grove during the revolutionary war. Thomas's widow Elizabeth split Troy several times to pay debts. Vincent Bailey acquired including Troy for $6,520. A stone house named "Troy Hill" was built about 1808 on the foundation of an earlier Dorsey house by Vincent Baily and is representative of the late Georgian style in Maryland architecture. The -story fieldstone house is three bays wide and two deep. Outbuildings included