While the rest of the economy is tanking from the crippling effects of the coronavirus, business at the biggest technology companies is holding steady — even thriving.

Amazon is hiring 100,000 warehouse workers to meet growing demand. Facebook CEO Mark Zuckerberg said traffic for video calling and messaging has exploded. Microsoft said the number of people using its software for online collaboration climbed nearly 40% in a week.

With people told to work from home and stay away from others, the pandemic has deepened reliance on services from the technology industry’s biggest companies, and accelerating trends that were already benefiting them.

By Daisuke Wakabayashi, Jack Nicas, Steve Lohr and Mike Isaac