If you own a Touch Diamond are are always on the lookout for G-Sensor enabled applications you would know Koushik Dutta, he has provided some excellent API for the other hackers to work on. Now his latest contribution the Stylus Sensor
He also promises to release an tool that allows users to launch any application, shortcut, sound file, etc, when the stylus is removed from the device.
If you are feeling brave you can play around with this Registry Key :
( make sure you back the Registry First )
So what kind of feature do you this this can be used for ?