" Talking on a cell phone makes us four times as likely to have an accident—the same as a driver who has a blood alcohol content of .08 percent, which qualifies as intoxicated in most states. The risk is equal for drivers holding their phones to their ears and for those speaking through a hands-free device. In both cases, researchers suggest, the drivers generate mental images of the unseen person at the other end of the line, which conflicts with their capacity for spatial processing. “It’s not that your hands aren’t on the wheel,” says David Strayer, the director of the Applied Cognition Laboratory at the University of Utah, “it’s that your mind is not on the road. "

― , The Way We're Working Isn't Working: The Four Forgotten Needs That Energize Great Performance