First appeared in Frederik Pohl’s Galaxy. Humanity has figured out how to make major decisions within a split second. They’ve discovered “the Abebaios block,” which can be removed with a “simple childhood metasurgery.” As a result, everyone can enjoy three or four careers and marriages over the course of a few hours. Economics, inventions and trends come hourly. Someone's fame can wax and wane within minutes. Fortunes can be won and lost four times in a day. Marriages dissolve as men and women follow trends of what's popular.