The future is here, or at least very near. You can buy a fridge that makes your grocery list for you and can even look up recipes for your homemade dinner. You can get virtual reality goggles to use on your treadmill and spend one hour of your day running along a beautiful cliffside in Greece without leaving the comfort of your home. Intelligent cars are able to recognize and respond to turns, red lights, and the proximity of other vehicles. And, can you imagine spending your afternoon orbiting Earth? It's all real or nearly real.

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