How to share Internet between two computers via USB?

"You'll need a USB link cable.

A very easy way to connect two PCs is
using a USB-USB cable. Connecting two
PCs with a cable like this you can
transfer files from one PC to another,
and even build a small network and
share your Internet connection with a
second PC. This tutorial will
explain you how to connect two PCs
using a cable like this."