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A site called springwise.com had a technology listed that was developed by former Apple engineers that learns how to conserve energy. The innovation is called Nest, and it is a smart thermostat that learns about its owners and adapts based on their habits.
The thermostat records the usage and patterns of the owners, and learns where it can make changes in order to save energy. For instance, if the owner of the house always turns off the air before going to work Monday-Friday, but forgot to turn it off on a Thursday the Nest would recognize this and shut the air off on its own to conserve energy.
It seems like a small change, but as humans we are bound to forget to shut the air or heat off every once and a while. The Nest could end up conserving a lot of energy over the span of time.