Internet of things different from one device to the next but there are basic characteristics shared by most. IoT creates opportunities for more direct integration of the physical world into computer-based systems, resulting in efficiency improvements, economic benefits, and reduced human exertions. The number of IoT devices increased 31% year-over-year to 8.4 billion in the year 2017 and it is estimated that there will be 30 billion devices by 2020. The global market value of IoT is projected to reach $7.1 trillion by 2020. Ambient intelligence and autonomous control are not part of the original concept of the Internet of things. Ambient intelligence
Smart grids by country report on the deployment of smart metering found: The Smart Grid Forum had identified that smart technology would give energy consumers greater control of their energy use, bills, greater security of supply and enable the use of less carbon. It had further indicated that integration of smart grids with regular technology would potentially save up to £ 12 billion by 2050 and deliver 9,000 additional jobs and create a £5 billion export market. To complete the transition to Smart Grids, United Kingdom plans to roll out 53 million smart meters to 26 million households from 2015 to 2020. Initiated by