Ford wants you to stash it in your belt buckle, but there’s absolutely no need to be lugging around a bulky fob. Trouble is, phone-as-a-key tech could be superseded before it even gets going. My ...

Car keys were nothing more than simple mechanical devices during their conception, but they've turned into devices with countless functions.

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 ...