Last week it was a new streaming stick, and this week it's a speaker. Today, Amazon announced the Echo: a $199 speaker that caters to your Prime music, news and weather needs at the sound of your voice. Similar to "OK Google" command, a "wake word" gets the gadget to perk up before sorting those spoken cues like searches, setting alarms, relaying the forecast for tomorrow and more. It's kind of like having Siri, Google Now or Cortana stuffed into a diminutive household speaker. The audio accessory is connected to the retailer's cloud via WiFi, and it also allows for beaming Spotify or Rdio via Bluetooth. Thanks to a cylindrical design, the unit blasts out tunes and other bits in all directions so that everyone in the room can hear.