Tech support people like me spend our days on the phone with customers. Many like to chat while waiting for their computers to reboot. One man told me he'd been a long-haul truck driver.

I'd love to drive a big rig," I said, "but I'd worry about falling asleep at the wheel."

"Here's a tip to stay awake," he offered. "Put a $100 bill in your left hand and hold it out the window."