Betty and Jack O'Connor want to stay in their Chevy Chase, Md., home as they age and are trying to create a network of volunteers in their neighborhood, called a "village," to help them with tasks they can no longer handle. Jennifer Ludden/NPR hide caption

toggle caption Jennifer Ludden/NPR

MIT researchers wore the Age Gain Now Empathy System -- a body suit and helmet -- to a grocery store to understand what struggles seniors might have while shopping. Courtesy of MIT's AgeLab hide caption

toggle caption Courtesy of MIT's AgeLab