Steven Sinofsky was President of Microsoft’s Windows’ division from 2009 to 2013. From his blog post about moving to an iPad as his full time machine: Unlike many “use a product for month” tests this is not an experiment. For me this is a deeply held belief that the rise of smartphones (specifically starting when the iPhone launched) would have a profound impact on the way we all use “computers”. The transformation spans hardware (thinner, lighter, smaller, cheaper, longer battery life, instant on/off, touch, sensors, connectivity, etc.), operating systems (more: secure, reliable, maintainable, robust, etc.), and app software (refactored, renewed,...