"The worst offenders are the people in cars who don't have satellite radio, or books on tape, and they're just calling to make their drive less boring." This,

"The worst offenders are the people in cars who don't have satellite radio, or books on tape, and they're just calling to make their drive less boring." This, of course, triggers about half the list. Noisy environment, makes phones drop calls, sporadic week signals, and of course the other person is now multitasking. The loss of these would be the perk of cell phone bans for drivers.