Special preview: Codebreaker season two

This season on our tech podcast "Codebreaker," we're asking: "Can it save us?" In this special preview of the first episode, you'll hear about a toddler who saved her mother's life with Siri, a man whose mysterious ailment opened up a world of voice recognition technology and a dating service that wants to scan the faces of all your exes. Listen, decode, and decide: Can recognition software save us?