Now Playing: 2-4-13 Marketplace Tech: Cisco CEO on The Internet of Things, and The Washington Post's Truth Teller App

The Internet of things -- what is it and how will it work? John Chambers, CEO of Cisco, gives some answers and says we're closer to classic science fiction novels than we may think. There's a new app on the market that focuses on the need for an instant truth-o-meter for when politicians open their mouths. Meet TruthTeller, from the Washington Post.