Lively is a sensor that can be attached to a pill box, keys or doors. It lets people know whether aging parents are taking their medicines or sticking to their routines. Courtesy of Lively hide caption

itoggle caption Courtesy of Lively

After a tornado leveled Moore, Okla., last year, firefighter Shonn Neidel (left) developed an app that helps first responders locate storm shelters under the wreckage. Courtesy of Shonn Neidel hide caption

itoggle caption Courtesy of Shonn Neidel

He's not checking your blood glucose levels. He's playing Words with Friends. Anna Zielinska/iStockphoto.com hide caption

itoggle caption Anna Zielinska/iStockphoto.com

Popular online games like FarmVille use powerful reward systems to get players to spend real-world money on virtual items. Zynga/AP hide caption

itoggle caption Zynga/AP

How many calories in that bite? My Fitness Pal and other fitness and nutrition apps can help find the answer. Heather Rousseau/NPR hide caption

itoggle caption Heather Rousseau/NPR