It’s a dangerous world for pedestrians, and smartphones aren’t helping. A new report estimates that in 2016, the United States saw its largest annual increase in pedestrian fatalities since such record keeping began 40 years ago. “The why is elusive. We don’t know all the reasons,” said Richard Retting, the report’s author. “Clearly lots of things are contributing. But not one of these other factors have changed dramatically.” The thing that has changed dramatically in recent years is smartphone use. Read more at CNN Money.