When Tim Cook took over as Apple's CEO, he did not try to fill the big shoes of its legendary founder and product visionary Steve Jobs. Instead, he took Jobs' advice: "Never ask what I would do, just do the right thing."
Fifteen years on, having taken the iPhone maker from a $350 billion company to a more than $4.5 trillion behemoth, Cook will pass the baton to Apple hardware chief John Ternus, who will steering the company in the AI era.
