Early reviews of Apple Inc.’s new iPhone 7 were, in a word, “meh.” Pundits praised the many improvements in the device, but a consensus emerged that Apple had not given existing iPhone owners a compelling reason to upgrade. Why is that? Why are the iPhone, and other computing devices like PCs and tablets, not changing as quickly as they once did? There are many reasons, but the central issue is this: It is harder than ever—more technically difficult, more expensive and more time consuming—to advance the state of the art....

Source: Wall Street Journal September 11, 2016 15:44 UTC