Phones have already taken over our lives. We have everything in these small gadgets, from memories and photos to documents, bank accounts, and conversations with our loved ones. And the digital ...

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.

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 ...