Jean-Louis Gassée, the former Apple executive writes,
Back to reality, translating a fantasy into a real product is by no means a sure thing. A pleasant, instantaneous user experience requires computing power. Computing power requires energy; energy means battery drain and heat dissipation. These are challenges for real grown-ups. And sometimes a grown-up has to make the vital No We Won’t Do This decision that separates bloated demi-failures from truly elegant genre-creating breakthroughs.