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
Cool Biz campaign billion yen in summer 2005. Dai-Ichi Life Research Institute announced that the total economic effect was more than 100 billion yen in 2005. During winter 2005, there was talk on many of the major news networks of promoting a "Warm Biz" style for winter, suggesting that people wear waistcoats, knit sweaters, and lap blankets. Warm Biz was not endorsed by the Japanese government at first. The food industry eagerly promoted this campaign by selling foods that warm people up, such as nabemono. However, the electric utility industry had little enthusiasm for the campaign. Since fossil fuel heating is popular in