1985: Kissimmee Xanadu House
In 1979 Bob Masters came up with the Xanadu homes project which was based around the idea of creating dome-shaped houses out of a rigid foam insulation which could be far more energy and material efficient than what was currently the norm. The most famous of these was the Kissimmee Xanadu created by architect Roy Mason which was not only futuristic in look but also contained some pretty awesome ideas on smart home automation too.
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The house was run by a series of robot minds with which you could interact in a home concierge kind of way. There was a butler, a computer for cooking that monitored the health of the inhabitants and therefore knew which meals to prepare next, a gardener and a machine to take care of your calendar, alarms and weather reports too. Naturally, the environment and entertainment systems were also covered.
Ultimately, it was the tech that did it for the Xanadu project. Although plans were to build 1,000 of them, by the time they got to the green light stage, all the smart gadgets had become too dated in design.