Microsoft’s brand new personal assistant, Cortana, is getting a lot of people excited at the moment. Even though it is in beta, I’ve found it surprisingly good, and already use it for practical reasons daily.
So why not take it a bit further? What about letting her control my lights – because, yes, giving an AI access to deadly electricity is a great idea (no, really, it is).
This uses a Netduino, Bluetooth module, and a normal 240v desk-lamp.