OR not AND? Man I guess if I have to choose I'll choose to use it as a key, and pick my room via my laptop.<p>Now if you could use the smartphone to do both, You might be able to choose the room to have keys to, even if that room was not yours.<p>Ok, more serious. I like the idea of this. I have several AirBnB properties, and this could make my life a lot easier. Though at the same time my Girlfriend always finishes the night with her iPhone completely dead, so it could also make things a lot more complicated.<p>All in all I like the convenience, and fear the security.