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
Internet censorship and surveillance by country banned websites for political reasons and arrested people accessing them. In addition to filtering a wide range of Web content, the Syrian government monitors Internet use very closely and has detained citizens "for expressing their opinions or reporting information online." Vague and broadly worded laws invite government abuse and have prompted Internet users to engage in self-censoring and self-monitoring to avoid the state's ambiguous grounds for arrest. During the Syrian civil war Internet connectivity between Syria and the outside world shut down in late November 2011 and again in early May 2013. Internet usage in Turkmenistan is under tight control