Programmatic Commerce and network connectivity that enables these objects to collect and exchange data. When IoT is augmented with sensors and actuators, the technology becomes an instance of the more general class of cyber-physical systems, which also encompasses technologies such as smart grids, smart homes, intelligent transportation and smart cities. Each thing is uniquely identifiable through its embedded computing system but is able to interoperate within the existing Internet infrastructure. Experts predict that in the five-year span between 2015 and 2020, the Internet of Things will grow faster than any other category of connected devices. The number of machine-to-machine connections should grow
Smart grid in China first commercially available electric vehicle charging station, the Caoxi Electrical Vehicle Charging Station. As of 2010, 76 electric vehicle charging stations have been built in 41 Chinese cities. Continued investment in electric car infrastructure reflects the country's goal of having 500,000 electric, hybrid and fuel-cell vehicles on the road by 2015 and 5 million by 2020. In September 2011, SGCC announced plans to invest $250 billion in electric power infrastructure upgrades over the next five years, of which $45 billion is earmarked for smart grid technologies. Another $240 billion between 2016 and 2020 will be added to complete the smart