Killer keyboard shortcuts to help you master Windows

Despite notable advancements in speech-recognition technology and voice input, and the popularity of tablets, the humble PC continues to be the workhorse device of choice for many workers around the world. And whether you're an office-bound professional slouched behind a desktop PC, or a globetrotting executives armed with the latest ultrabook, the "physical" hardware keyboard continues to play a crucial role in productivity.The last thing you want in the heat of the moment is to fumble around f