BlahBlahYouToo
Lifer
Imagine if a kid locks themselves out of the home. Assuming a proper server setup, the parent (from work) could remotely let the kid in.
Also I would think it would be much more secure.
this has been in existence for years now, and for relatively cheap (~$250 for the "brain" and the door knob/lock).
you have a choice of fingerprint scanning, keypad (which is nice for allowing service ppl entry at set times, temp access codes). all controlled from a browser or phone app.