For years, we've heard that our best bet is to put everything into the cloud. Now, the computing action seems to be moving away from centralized services out toward the edge -- embedded systems, sensors, kiosks, point-of-sale terminals, mobile devices, wearables, robots, the internet of things, you name it. They demand resident software, and produce and store local data. This means software and data run -- and require support -- at a million different locations. How should technology professionals prepare for this ever-edgy state of things?

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