Smart cities are no longer the wave of the future. They are here now and growing quickly as the Internet of Things (IoT) expands and impacts municipal services around the globe.
The smart city industry is projected to be a $400 billion market by 2020, with 600 cities worldwide. These cities are expected to generate 60% of the world's GDP by 2025, according to McKinsey research, as previously published in TechRepublic.
While there are many definitions of a smart city, in general, a smart city utilizes IoT sensors, actuators and technology to connect components across the city, and it impacts every layer of a city, from underneath the streets, to the air that citizens are breathing. Data from all segments is analyzed, and patterns are derived from the collected data.
http://www.techrepublic.com/article/smart-cities-6-essential-technologies/?ftag=TREae230e8&bhid=27098461609007330264396259072993
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