The coronavirus outbreak is pushing workers to work at home, online, if at all possible.<br />But according to Business Insider, millions more Americans could be left behind than the government estimates.<br />The Federal Communications Commission says 21 million Americans lack high-speed internet access.<br />However, one of its top officials says it "radically overstates" the actual number of people online.<br />Last year, a Microsoft study found 162 million Americans lack broadband internet.