Bloomberg posted the full transcript of its mega interview with Apple's main men - Tim Cook, Jony Ive and Craig Federighi - and there is a lot of material to sift through to gauge how their minds, hence Apple's products, work...
Source: http://www.phonearena.com/news/Full-Apple-chiefs-interview-transcript-is-out-iPhone-is-just-an-elegant-indispensable-tool_id47769
Source: http://www.phonearena.com/news/Full-Apple-chiefs-interview-transcript-is-out-iPhone-is-just-an-elegant-indispensable-tool_id47769