“We almost forget that ten years ago, there were no smartphones, and as recently as 2011, only a third of Americans owned one. Now nearly two-thirds do. That figure reaches 85 percent when you’re only counting young adults. And 46 percent of Americans told Pew surveyors last year a simple but remarkable thing: They could not live without one. The device went from unknown to indispensable in less than a decade. The handful of spaces where it was once impossible to be connected — the airplane, the subway, the wilderness — are dwindling fast. Even hiker backpacks now come fitted with battery power for smartphones. Perhaps the only “safe space” that still exists is the shower."