As it’s not yet entirely clear what will ultimately become of the tablet category, Apple’s iPad business continues to rake in a small fortune each quarter. The iPad has long changed, though. It's no longer that $500 device that some people called a supersized iPod Touch. It has since evolved into a more complex line-up that has tried to achieve bigger things, such as becoming an always-with-you digital notepad with support for the Apple Pencil, or encroaching into laptop territory with performance that's not typically expected out of such a portable form-factor.