Amazon launches new Echo devices, including a $40 smart speaker and inexpensive wireless earbuds
Amazon has sold over half a billion Alexa-enabled devices
Having followed Nest and the success they were having with their connected thermostat over the past two years and after making the decision to replace all incandescent light bulbs in my apartment with energy efficient LED units, I also decided it would be as good a time as any to see exactly what the Nest was all about.