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 grids by country Department of Energy and Climate Change under the Cameron-Clegg coalition from 2010 - 2015 and now under Department for Business, Energy and Industrial Strategy and Office of Gas and Electricity Markets, the (rollout of) smart meters are estimated to cost £11 Billion, providing the British economy a net £6.7 Billion benefit. Smart Energy UK identifies the different roles of six stakeholders involved in the rollout of smart meters: Support for smart grids became federal policy with passage of the Energy Independence and Security Act of 2007. The law, Title13, sets out $100 million in funding per fiscal year from 2008–2012,