Los Angeles Times: Looks like 9 p.m. is the happy hour for media use, according to a new report from Nielsen. The measurement firm said that 144 million adults in the U.S. use media at that evening hour. And traditional TV, despite its viewing decline, dominates among those devices measured, which include radio, smartphones, tablets, TV-connected devices and PCs. It accounts for almost two-thirds of media use by people in the 9 p.m. hour.