As noted, Apple has a large and loyal customer base; this stems from a business model decision made by the company as far back as the 1980s, when its Mac computers introduced a series of innovations that quickly made them popular with graphics and publishing professionals – but that also made them incompatible with other computer operating systems. Since then, Apple has built an entire ecosystem based on its own devices, their quality and capabilities, and their users’ loyalty. The model has worked, and sup ...