RemoteDroid Turns Your Android Phone into a Wireless Mouse and Keyboard

A website, remoitedroid.net has developed an application that allows users to use their Motorola Droid as a "touchpad" for their computer. In the following video it shows use with an Apple Macbook Pro.

RemoteDroid demo from Joshua Sera on Vimeo.

It's quite interesting how the application works. First you install the native application on the Droid, and then a Java server applet on the computer. The program uses your network connection as means of communication between the computer and handheld. After doing some research on their website, I still have not been able to fully understand the use of an internet connection as means of communication between phone and computer. I still wonder why they chose to use an internet connection instead of bluetooth...

Source: http://lifehacker.com/5602571/remotedroid-turns-your-android-phone-into-a-wireless-mouse-and-keyboard