I don't think innovating is as simple as firing Tim Cook and employing... erm... whom? How many visionaries are there floating around just waiting to be hired? As much as I am not impressed with Apple's current products, especially Macs, I don't really know what they could invent next. Most of the products on Earth have reached maturity stage. Sure, you can add Siri to Macs, make the screen wrap around the phone, drop a physical button and use the screen as fingerprint reader, but is this something that I need in my life? The first iPod, iPhone, iPad were devices I have never seen before. The Watch came after many Android companies quickly put something together because of a rumour Apple might be making one. My interest in Apple Car is non-existent. VR might one day get to the point where I can't possibly live without it, but it's not there yet.
What can they do further? Make the phones and laptops (and, Gods forbid, desktops...) thinner? A 10% speed increase? Is that really exciting to anyone? The OLED bar on MBP sounds quite interesting, but is it going to change my life? I agree with
@smirking – HealthKit sounds awesome and hopefully will develop further and further. If you were placed in Cook's seat,
@CrashX, what would your inventions and innovations be? If you've got some great ideas why not mail them to
tcook@apple.com?