“With a few intelligent speakers and a mobile app, you can liberate your music from its home on your phone, laptop or other hard drive.” The hottest home gadget in the world last year was the Amazon Echo. A deceptively simple device, it looks, to all intents and purposes, like an everyday Bluetooth speaker that plays music from your phone.
The Echo, however, acts like a sophisticated personal assistant, which understands what you want by listening to what you say. Just by talking to it, the Echo can place online orders for anything from groceries to domestic appliances, but it can also control your lights, turn on your home heating or aircon, and even open garage doors on command.
Oh, and it plays music too. It can stream wirelessly from…