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
Africa Online Africa Online Africa Online Holding Ltd., sometimes abbreviated to AFOL, is the largest Internet Service Provider (ISP) in Africa. Based in Nairobi, Kenya, it offers Internet access and operates in ten African countries, including Cote d'Ivoire, Ghana, Namibia, Swaziland, Tanzania, Uganda and Zimbabwe. Services provided by Africa Online include dial-up Internet access, leased line services, e-mail accounts, VSAT connectivity, DSL, WAN and VPN for private and business customers. In 2007 it has become a subsidiary of Telkom South Africa. The company was started in 1994 by Ayisi Makatiani, Karanja Gakio and Amolo Ng'weno, three Kenyans who met each other while