what he knows because of the experiments he runs at his Applied Cognition Laboratory in Salt Lake City. Often, he measures how people perform one task once they are given a second task. We think about multitasking as trying to do two separate, cognitively based tasks at the same time. A classic example, one that just about everybody attempts to do, is drive a car and talk on a cell phone. We don’t do that well, and more and more people have these gadgets in the car they bring with them, or the car itself becomes a platform for multitasking, and we don’t do it well. So, it’s probably a big source for the injuries and fatalities and crashes on the road. Now, it would seem obvious —