Couple of years ago I was taking the tram home, and there was a toddler in a stroller. The toddler was young enough she couldn't speak properly. She got frustrated about something and started crying.

Without hesitation the parent whipped up the iPhone and handed it to her. The kid navigated the menu with ease, launched a game and started playing. After about 15 seconds, she exited the game, navigated a few pages with purpose to another game and ended up playing that instead.

Meanwhile I was standing there gobsmacked...