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
Sociology of the Internet attempted to put restrictions on both industries' use of the Internet, this has generally failed to stop their widespread popularity. One area of leisure on the Internet is online gaming. This form of leisure creates communities, bringing people of all ages and origins to enjoy the fast-paced world of multiplayer games. These range from MMORPG to first-person shooters, from role-playing video games to online gambling. This has revolutionized the way many people interact and spend their free time on the Internet. While online gaming has been around since the 1970s, modern modes of online gaming began with services such as