Only if you've got a short memory. Think back to 1999-2000ish. Palm Pilots were The Next Big Thing, Microsoft were pushing Windows CE handhelds of which every

Only if you've got a short memory. Think back to 1999-2000ish. Palm Pilots were The Next Big Thing, Microsoft were pushing Windows CE handhelds of which every OEM had to have their own. Psion had their wonderful but sadly disregarded Series 5. There was a large ecosystem of handheld touchscreen devices that was frankly pretty close to mass market many, many years before the iPhone, and from which I'd suggest iOS and Android borrow a number of interface concepts.