Consumer electronics are innovative but lack imagination

As a teenager, my Sony Walkman was my most treasured possession. It was a portal to another world that let me consume music in industrial quantities. By the early 1990s, it wasn’t new—Sony invented it in the late ’70s—yetit still held incredible power. Sony sold more than 220 million units globally. When one died, often from overuse, I’d use a birthday or Christmas present to upgrade it, usually with a trip to an electronics store with my Dad. Those places felt mythical. That feeling came...