How Amazon and Walmart are putting robots to work behind the scenes

Extra Crunch offers members the opportunity to tune into conference calls led and moderated by the TechCrunch writers you read every day. This week Brian Heater, fresh off a trip to Pittsburgh to visit a handful of robotics companies, led a discussion about the current state of robotics and how startups are integrating the machines into our lives. When it comes to our home lives, we really only have the Roomba, that circular disc that moves about our floors on its own sweeping up the dust and dirt. In fact, the jobs being performed behind the scenes are the ones robots are digging into.