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 authorities a strong and robust smart grid market would total $20 billion annually by 2015. Rolling out Ultra-High Voltage (UHV) transmission systems would account for more than 60% of that market, while smart meters and wind power connectivity could reach $2 billion and $800 million annually respectively. SGCC has implemented these smart grid technologies in areas such as Liangjiang, with the project there passing inspection in Q3 of 2014. It currently comprises one 220 kV substation and seven 110 kV substations. SGCC also launched the first UHV power grid in Tianjin in November 2014. The project calls for 290 transmission