(1)   AMAZON ECHO –  Alexa app is the brain behind Echo & at $180.  Now a slimmer version of Echo and the Echo Dot.  (2)  IDEVICES – start at $59.  Most of these devices are compatible with Apple or Android.  (3)  NEST AND ECOBEE3 – at $249.  Nest learning is owned by Google.  (4)  VIVINT PING – camera designed to initiate two-way video chats – handy for working parents who need to visit with a child at home alone.  WHAT’S ON THE HORIZON?  Products will be more intelligent.  With any luck, the Jetsons’ charming robot maid, Rosie, will be arriving soon!