In Depth: 10 awesome things your smartphone will do next

In Depth: 10 awesome things your smartphone will do next   10 awesome things your smartphone will do nextThe smartphone is the Very Hungry Caterpillar of technology, munching its way through all kinds of devices as the phone in your pocket replaces all kinds of stand-alone kit. It's already chewed through sat-navs and compact cameras, iPods and even torches - and it's still hungry. Here's what's next on the menu.1 KeysYour phone probably won't replace your front door Yale key any time soon, but it's likely to replace other kinds of keys. Read more >