what a strange position apple must be in right now watching ppl retrofit core experiences on top of their operating systems, from computer use to reimagined home screen dynamics like what we are doing on the iphone. the demand is clearly obvious & maybe the future is too. but imagine being the platform owner & seeing the fundamental grammar of how computers & phones work get rewritten on your own surfaces, with such speed & ruthlessness that the os itself starts to feel incidental to what…