Google Wallet and Apple Wallet are making it possible to store hotel room keys on phones. To date, only 14% of guests surveyed at branded hotels use digital keys. Experts believe phone apps are more ...

Automotive digital keys that allow drivers to start their cars via mobile phones and other devices have become common even as concern about their security has risen. Drivers can store automotive ...

NFC versus ultra wideband. Tap-to-start versus passive signals. If we’re going to use our phones to operate our cars, we need to get a lot of this straightened out — and soon. NFC versus ultra ...