During the pandemic, Americans have replaced dining out with take-out and delivery meals. As a result, more customers and restaurants are relying on apps like Grubhub and Uber Eats to transport food. But restaurants say the apps consume their profits, customers find delivery fees too high and drivers can't earn a living wage. So what is the business model's viability? Paul Solman reports. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders