http://cnet.co/16VEEZl It's the smart lock we've been waiting for, but Android users will have to wait a little longer.
Bluetooth Basics: What is Bluetooth?
Arduino Bluetooth Basics
How to Install Bluetooth on Win 7
OM/ONE: The world's first levitating bluetooth speaker
Configurar Bluetooth en tu computador - Tutorial
Take a look at the new Kwikset Kevo Bluetooth Door Lock
$5 Bluetooth Car Hack!