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 meter homes. This was well behind schedule to hit the government’s target to have 50 million in place by 2020. As of August 2018, 11 million SMETS1 devices were functioning normally, with 637,000 in "dumb" mode, according to the government. 42 million remained to be installed by the 2020 deadline. Until 2018, the vast majority of smart meters being installed were "first generation" SMETS1 types. If a user of one of these meters switches electricity supplier, the meter’s smart functions are lost, and it must be read manually. SMETS2 meters allow easy switching and better remote reading, but only 450 had