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 ...

Digital car keys are still a concept suffering from lackluster adoption, mainly because the technology is expensive and phone makers only offer it on high-end mobile devices with a premium price tag.

Snapdragon Wear Elite is built to be on camera-enabled watches, pins, pendants and even glasses, according to Qualcomm. And it could mean a wave of devices that can also work as car keys and more.