Smart grids in South Korea help the country use more renewable energy sources and cut overall energy consumption." The "smart" in a grid is achieved through an installed software rather than hardware, banking more on the element of intelligence for more consistent upgrades, patterns learning, and timely response to new technologies. The South Korean smart grids include the following components: Internet in South Korea is more robust and developed than in almost any other country, with gigabit wired service being common even in fairly rural areas. Accordingly, Korean initiatives in smart grid and Internet of things largely take reliable backhaul connectivity for granted. The country's
Mobile Internet growth in 2014, 2.32 billion in 2017 (now) and 2.87 billion are predicted in 2020. Many users in Europe and the United States are already users of the fixed internet when they first try the same experience on a mobile phone. Meanwhile, in other parts of the world, such as India, their first usage of the internet is on a mobile phone. Growth is fastest in parts of the world where the personal computer (PC) is not the first user experience of the internet. India, South Africa, Indonesia and Saudi Arabia are seeing the fastest growth in mobile internet usage. To