Roomba + Macbook + Sudden Motion Sensor + BlueTooth = ?

You may already know about this robot vacuum cleaner, the roomba.

You may already know how hackable it is and that an entire community has appeared around it.

You are not impressed anymore by all the hacks that involve Apple Sudden Motion Sensor.

Now, a new step has been reached: Tilt and roll your MacBook to control your Roomba.
It uses Bluetooth, the MacBook SMS and a perl script.

Details here.