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X10 is not just the original Home Automation technology....
Before I started working for Bellsouth I worked on a project where GA Power built 3 smart homes. (80's).
Waterwalls (walls filled with chilled water), variable speed compressors, remotely read meters and hardwired relay control of lights and major loads. Then we did a project in Roswell GA where we retrofitted 100 homes with x10 products. Also in the 80's. Remote control of loads has been around as long as I can remember. Smarthome is nothing new its just come of age. And as usual there are way to many devices and protocol and not one solves them all. I worked with Touchplate, Litetouch, Lutron, Leviton, Crestron Control 4, Jandy you name it And not one company could do it all. As time goes by I see more and more equipment coming out.
And if your not extremely wealthy you gota try and get it all to mesh together.