Artificial intelligence and associated devices are being built. Below is a link to a detailed article; here is an excerpt. Some amazing -- and almost scary -- stuff!
http://www.truthistreason.net/introducing-siri-darpa%E2%80%99s-ghost-in-apple%E2%80%99s-machine-artificial-intelligence-and-the-soldiers-servant
Apple, artificial intelligence, Stanford Research, SIRI, DARPA, and technology that literally translates to, “Soldier’s Servant;” It’s in your pocket, pinging your location, and learning more about you minute by minute. It is designed to learn from your actions and begin making its own decisions.
http://www.truthistreason.net/introducing-siri-darpa%E2%80%99s-ghost-in-apple%E2%80%99s-machine-artificial-intelligence-and-the-soldiers-servant