Digital 7 is needed to maintain and expand connectivity, as well as how they can work together to share each other's experiences and to develop standards together. Citing a Cisco figure, the D5 expects over 50 billion internet connected devices to be in use around the world by 2020, with as many as dozens of each device in every household. To meet these needs, the UK government's focus will be on Machine to Machine technology, the Internet of Things and 5G mobile networks. In March 2014, they announced they will be investing £45 million in the Internet of Things. They have set
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