29 Cyber Monday Tech Deals to Shop While You Still Can

Amazon Echo (4th Gen) ($55, originally $100)

Score the latest Amazon Echo at nearly half the price right now. If you're new to the device, it's an all-in-one gadget that can stream music, connects to other smart devices so you can issue commands like "turn the lights off," make calls to family and friends with the Alexa app or device, and even determine the room's temperature. The real question is, what can't this device do?