" Work need not be concentrated in offices, companies can be run from homes, newspapers can be put out with almost no one in the newsroom; time spent commuting can be reduced; business meetings can be replaced by digital connecting. These impacts will last after lockdowns are well in the past. It took three years after 9/11 and more than seven years after the 2008 financial crisis for air travel in the United States to recover to the previous levels. "

― Daniel Yergin , The New Map: Energy, Climate, and the Clash of Nations