n March 2020 everything that could be moved online already has, from elementary schools to college classes, from entire company workforces to shareholder meetings. Whole cities have emptied under the coronavirus threat as businesses tell employees to work from home,  students are sent indoors to learn online and every type of entertainment— from restaurants and sporting venues to movie theaters — shutters, forcing people to stay home and rely on their home broadband networks to interact with the outside world.

This switch-over is unprecedented, which begs the question: Can our current networks handle the strain?

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