Teachers are incorporating mobile technology and a digital sensibility into classroom lessons with assignments such as this one: to caption a historical photograph for teacher Nicholas Ferroni's high school history class in Union, N.J. Courtesy of Nicholas Ferroni hide caption
Will Davidson and his Minecraft creation, modeled off the Santa Cruz Mission Steve Henn hide caption
He's working; really, he is. iStockphoto hide caption
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
Manic, sad, up, down. Your voice may reveal mood shifts. iStockphoto hide caption
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
That lovely weather may be more motivating than the smartphone app. Ferran Traité Soler/iStockphoto hide caption
You've been there, and you know it doesn't feel good. But an app based on the science of circadian rhythms could help reduce the suffering of jet lag. iStockphoto hide caption
The ReliefLink app is a mood-tracking tool intended to help people who are contemplating suicide. Courtesy of Emory University hide caption
With tablet technology still relatively new, pediatricians are trying to understand how interactive media affects children. iStockphoto hide caption
Matchmaking apps like Tinder can help people find potential dates quickly. Tinder hide caption
He's not checking your blood glucose levels. He's playing Words with Friends. Anna Zielinska/iStockphoto.com hide caption
Simply plug the Scentee device into your iPhone jack and let the scent of grilled meat waft your way. YouTube hide caption