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'Smart City' knows who needs power, and when

February 19, 2015 5:49 PM
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'Smart City' knows who needs power, and when

Tomorrow Transformed explores innovative approaches and opportunities available in business and society through technology.

Mannheim, Germany (CNN)In 1882 on Pearl Street, New York City, Thomas Edison opened the world's first commercial electric grid, lighting up local homes and businesses with cables connected to his power station.

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