A good related article about locks from the BBC: Is the traditional metal key becoming obsolete? http://www.bbc.co.uk/news/magazine-29817520 I'm quite conservative when it comes to locks for the home and prefer the traditional mechanical lock and key. I like the Lockitron feature of recording when a lock is opened/closed but that could be integrated into a mechanical lock without requiring the lock itself to operate…
Exactly like an RFID token.