It might not feel like it, but it's been almost three years since the original Amazon Echo hit the scene. In the time since, the number of Alexa-powered devices has grown from a single smart speaker into an entire family including the Dot, the Look, and the Show -- not to mention all the third-party devices out there. But now, Amazon has returned its attention to the device that got the whole smart speaker revolution started with an all new Echo (along with a ton of other new Echo devices, too).