How Sony, Intel, and Unix Made Apple's Mac a PC Competitor

smaxp writes In 2007, Sony's supply chain lessons, the network effect from the shift to Intel architecture, and a better OS X for developers combined to renew the Mac's growth. The network effects of the Microsoft Wintel ecosystem that Rappaport explained 20 years ago in the Harvard Business Review are no longer a big advantage. By turning itself into a premium PC company with a proprietary OS, Apple has taken the best of PC ecosystem, but avoided taking on the disadvantages.