A weather tool for the first iPhone grew into a connected flight bag. Its useful trick was bringing the pilot’s scattered decisions onto the same screen.
A maths student’s battle with loose pages became a note-taking business used by more than 25 million people each month. Its next test: adding AI without crowding out the person holding the pen.
It started in a garage and now runs on custom silicon, a services machine, and a billion-plus devices that all talk to each other. Here is how the walled garden actually works - and why leaving it feels like moving countries.