“Technology is a useful servant but a dangerous master.” —Christian Lange, Nobel Peace Prize lecture (1921) All devices can be broadly classified into two types: devices that promise and attempt to do everything (or many things at least), and devices that promise or attempt to do just one thing but do it better than everyone else. Devices in the former class can get away with being good enough in enough things that the benefit they offer as all-in-one devices outweighs carrying a second...
