Five years ago today, after the World Health Organization declared the COVID-19 outbreak a pandemic, there was a widespread shift to remote work for many workers who were considered nonessential. And people had to get used to seeing their colleagues mainly on a screen. In recent years, some companies have required employees to return to the office full time. But remote work remains a major part of many people’s lives, far more than in 2019. Marketplace’s Stephanie Hughes spoke with Anita Blanchard, a professor of psychological and organization science at the University of North Carolina at Charlotte, about what’s lost when workers don’t interact in the same physical space.