Amazon and Walmart remained flat or lost ground in the battle for overall U.S. retail and consumer spend in Q3, even as the pandemic continued to push consumers toward online shopping. In automated retail, the Hudson Group intends to bring Amazon’s “Just Walk Out” technology to some of the C-stores it runs at North American airports and other locations. And in pandemic commerce, firms that employ thousands of front-line hourly or gig workers have unveiled plans to pay bonuses to those who receive the COVID-19 vaccine. All this, Today in Data.