There's a number of programs and scripts floating around for desktop computers that can perform specific actions when a known bluetooth device is in range. One use is to automatically lock and unlock your computer when your cell phone leaves and enters the area of the computer, respectively, so that, as long as you keep your cell phone with you, the computer locks when you leave your desk and unlocks when you come back.
To get to the point, I was wondering if there was a good use for such a program/applet on my internet tablet. One I can think of is to unmute the speakers and play an alarm if my cell phone goes out of range, which in effect would sound an alarm if I put down my N800 somewhere and forgot to take it when I left (presuming I didn't leave my cell phone as well).
Does anyone have any ideas about other practical uses of bluetooth proximity detection? Has anyone played with it on their tablet?