It’s easy to forget just how thoroughly mobile connectivity has changed our relationship with technology. Any new piece of hardware is judged not just for the processor, memory, or camera it contains but for how well it connects. Wi-Fi, fiber, 4G—and soon 5G—have become the new benchmarks by which we measure technological progress.

In many ways, this era of high-speed connectivity is a lot like the dawn of the railroads or the superhighways in the nineteenth and twentieth centuries, respectively. Like those massive infrastructure projects, connectivity is redefining society. And it is bringing capabilities and knowledge to all facets of society, enabling a new era of collaboration, innovation, and entertainment.

Yet most people take ...

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