Look closely at the moves of the three main consumer operating system vendors. Each has become infatuated toward expanding into a new area from its strength among the landscape of hardware, software and service. For Microsoft, which has long been strong in software and has gained strength in services, its clearly tablets (as a broader hardware beachhead), or at least in defending its PC franchise from them. For Google, which was born on services, its software via its operating systems and -- to a lesser extent -- hardware where its Nexus brands and Motorola acquisition are areas of growing relative importance. And for Apple, which has made its name tightly integrating h