Tim Cook’s Fifth Anniversary Longer public interviews with Apple’s top leadership are less rare these days, but this one from former BusinessWeek colleague Lena McGregor covers a lot of ground, including Apple’s increased spending on R&D (more than the 14 largest auto manufacturers combined), Siri and AI, Apple’s interest in augmented reality vs virtual reality (“sort of a core technology”), and the overall size of the global smartphone market as it relates to Apple’s future growth (“It is the greatest market on Earth from a consumer electronics point of view […] and there is nothing that’s going to replace it in the short term or in the intermediate term, either”).