Three men are sitting naked in the sauna. Suddenly there is a
beeping sound. The first man presses his forearm and the beeping
stops. The others look at him questioningly.

"That's my pager," he says. "I have a microchip under the skin
of my arm."

A few minutes later a phone rings. The second man lifts his palm
to his ear. When he finishes he explains, "That's my mobile phone.
I have a microchip in my hand."

The third man, feeling decidedly low-tech, steps out of the sauna.
In a few minutes he returns with a piece of toilet paper extending