In November, Amazon announced the latest addition to its hardware line-up, the Amazon Echo. The Echo smart speaker doubles as a digital assistant and home entertainment device. It's an always-connected, always-available Siri or Cortana-like device designed for your home that can provide answers to common questions, play music, provide traffic updates, control your lights, read audiobooks, and much more. Because it's tied to your Amazon account, the Echo can also be used to reorder products you?ve previously purchased from Amazon...