Nowadays, more and more people own more than two computers. Due to space limitations, most people choose NetBooks or Tablet PCs as their second computer. This link's provides a simple and easy solution which lets you share the keyboard and mouse usage with another computer. In addition, this link's also supports clipboard sharing and high-speed file transfer between two computers. It's driver free for windows XP / Vista / 7 (32-bit or 64-bit).