Streaming, smartphones and no more cash

Jefferson Graham visits an Amazon Go store in Seattle, where an app gains you entrance to the store, and there are no lines or cashiers to check you out./ Murphy Brown returned this week and she got herself a lesson on how to tweet. Yup, that's how out of it she's been. In case you missed it, the hit show that originally debuted in 1988 returned to CBS Thursday in a revival. Thirty years later, for Talking Tech readers, this seemed like a great opportunity for us to look back at three decades of how our lives have changed with technology.