For many who crossed the digital divide this year, there will be no going back. The Covid-19 pandemic forced Americans to collectively swap the physical for the digital world in a matter of months. As retailers learn to operate without stores, business travelers without airplanes, and workers without offices, much of what started out as a temporary expedient is likely to become permanent. “Covid has acted like a time machine: it brought 2030 to 2020,” said Loren Padelford, vice president at Shopify Inc. “All those trends, where organizations thought they had more time, got rapidly ac...