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

itoggle caption Courtesy of MIT's AgeLab

New Millennial Homes designed this ranch house for Jim and Cheryl Waggoner in Tampa Bay, Fla. Jennifer Ludden/NPR hide caption

itoggle caption Jennifer Ludden/NPR

Edward and Lavinia Fitzgerald in Savannah, Ga., have dinner while telecaregiver Denise Cady of ResCare, a camera monitoring service, looks on. Jennifer Ludden/NPR hide caption

itoggle caption Jennifer Ludden/NPR

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

itoggle caption Jennifer Ludden/NPR

A new study finds nearly a quarter of couples met online. iStockphoto.com hide caption

itoggle caption iStockphoto.com

The typical American teenager sends 50 texts a day, according to a new report by the Pew Research Center's Internet and American Life Project, and the University of Michigan. Kristin Murphy/Deseret News via AP hide caption

itoggle caption Kristin Murphy/Deseret News via AP