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
Biz Markie Before You Go-Go" by Wham!, "It Takes Two" by Rob Base and DJ E-Z Rock, "The Breaks" by Kurtis Blow and "Robot Rock" by Daft Punk. In December 2009, Biz Markie appeared in a RadioShack commercial, repeating the line: "Oh Snap! Guess what I saw!" from his song "Just A Friend". That same year saw his debut with Andy Milonakis in television commercials for the commercial Internet service Tune Up. In 2010, Biz Markie appeared on VH1's "100 Greatest Artists of All Time", providing commentary throughout the series. Biz Markie himself was not included on the list. On November 9,