Amazon describes their new Echo device as a speaker, but fans of Iron Man will understand when I describe it to be a lot more like J.A.R.V.I.S.! Designed around the sound of your voice, the Echo is always on and ready to respond to your every command --beginning with the wake-word 'Alexa'. Sure it also plays music (from local radio stations, NPR, and ESPN from TuneIn), but all … [Read more...] about Amazon Echo Speaker Listens and Responds to Voice Commands