Do you smile when you're frustrated? Most people think they don't -- but they actually do, a new study from MIT has found.
Cisco's chief futurist predicts digital avatar assistants--and more.
Technology Review IT editor Erica Naone visits a Stop & Shop in Braintree, Massachusetts, to test Modiv Media's new iPhone app. This lets consumers shop using a smart phone and serves up personalized offers when they do.