There are tons of smart locks on the market right now, but none seem to cater to apartment-dwellers or those who don’t want to rip out their existing deadbolt just to add a smart lock to their smart ...

A dumb deadbolt? In this day and age? No, thank you. I want a smarter door, one that can detect when I leave and lock behind me, or unlock using any number of magical methods: phone, watch, ...