Gadget Name

Want to be able to have multitouch on your laptop but it is an older model and does not want to buy a new? The solution is within your reach and your pocket, because for $ 50 you will have the SmartTrack Neo.

All you have to take it or are it a computer, both as a portable desktop, you connect to the USB port and have Windows XP or Vista. After that you can use it as if it were an iPhone.

Source
SmartTrack Neo: Bootleg multi-touch input device for your Windows PC