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
John Kerry in the end of funding for the project. However, in light of increasing concerns regarding climate change, in 2017 Kerry reversed his position on nuclear power, saying "Given this challenge we face today, and given the progress of fourth generation nuclear: go for it. No other alternative, zero emissions." In September 2015, the U.S. Department of State unveiled a new initiative called "Global Connect" which seeks to provide internet access to over 1.5 billion people around the world who do not have online connectivity by year 2020. In 2016, in partnership with OPIC, Kerry announced an investment of $171 million