A little over ten years ago, when smartphones were still sufficiently new to mention, I attended a talk by an economist who argued that the rise of the smartphone was not, or at least not primarily, a technological phenomenon. He argued that if technological feasibility had been the only constraint, smartphones could have become a thing much earlier.
We should think of them as an indirect product of a legal innovation, not just a technological one. He was talking about how, in the 1990s, we started to use market mechanisms to allocate usage rights of the electromagnetic spectrum, which...