> So it seems like Apple was looking to build their own processors even before the iPhone became huge (the original iPhone only sold around 7M units while iPods were selling around 50M/year at the same time).
This is almost certainly true once they decided that iOS was going to be based on MacOS. Those software design choices had to have been based on a very aggressive hardware roadmap
> The third AR thing I saw was the loading screen of Super Fruit Ninja, which allows you to throw a strawberry at a pig that’s running around on your floor. This seems slightly less historic.
There are also multiple issuings of the same recording, sometimes from multiple remasters, or from different new labels for historic recordings (like Furtwanger’s pre-1945 recordings). Often those have significant differences due to different types or generations of noise-reduction techniques used.