Smart home gadgets are raising a lot of questions about privacy, security, and data mining these days. Speakers that could spy on what you're saying, cameras that could upload your videos to unprotected servers, products from no-name companies that could track your usage or location, and worse yet, devices from lazy providers that could introduce a vulnerability to your network, we've seen it all. In that scary context, it's hard to entrust a connected gadget with your front door lock, the very thing that makes you feel safe inside your own home. Every time I've mentioned smart locks online and in real life, I've gotten the same visceral reaction: No, just no.