Amazon wants to know everything about you by having a robot talk to you

Recently, Amazon made its first foray into helpful home devices—Echo, the perky remote-vending-machine-disguised-as-smart-home-hub that answers questions, controls a few lights, and, incidentally, orders products from the mega-company. The introduction of this small black monolith has brought another voice into the home that people can have a chinwag with, Alexa.