Last night I watched 19 engineers use my application to work collaboratively, in real-time, on a single canvas, to design a transport network for a city. That k

Last night I watched 19 engineers use my application to work collaboratively, in real-time, on a single canvas, to design a transport network for a city. That kind of functionality has never existed before, anywhere, and is a damned sight more important than preserving the idiotic "delete === go back" keybinding that 99% of the population doesn't even know exists and only ever triggers accidentally.