the iphone era app was a noun which loosely was a bounded surface you opened, performed an intent in, & closed. notes, reminders, clock, calendar, etc… these are all just typed buffers with light affordances around a primitive (text, time, date). the app was the price of admission cuz the os couldn’t infer intent, hold context, or act on your behalf. the icon grid was a workaround for a dumb constraint. once you have an ambient layer that knows you incl emails, calendar, location, health,…