Most cars allow you to start the engine by pressing the ignition button with the key, or by placing the key in a specific ...

From retrofit options to fingerprint scanners, here's how to pick the best smart lock for your home and deadbolt.

It's wild to think that not too long ago, we were all turning physical keys in car doors and ignitions. But today, many new cars don't come with keys at all anymore. That's because smart key ...