One person, however, is sticking around for the long run. In an interview with Wired's Steven Levy, CEO Tim Cook said it's hard to imagine his life without Apple. "It's a privilege of a lifetime to be here. And I'll do it until the voice in my head says, 'It's time,' and then I'll go and focus on what the next chapter looks like," Cook told Levy.

"It's hard to imagine life without Apple because my life has been wrapped up in this company...since 1998." WIRED Editor at Large Steven Levy sits down with Apple CEO Tim Cook for The Big Interview, revisiting his early years with the company,