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
Online and offline Online and offline In computer technology and telecommunications, online indicates a state of connectivity, and offline indicates a disconnected state. In modern terminology this usually refers to an Internet connection, but (especially when expressed "on line" or "on the line") could refer to any piece of equipment or functional unit that is connected to a larger system. Being online means that the equipment or subsystem is connected, or that it is ready for use. "Online" has come to describe activities performed on and data available on the Internet, for example: "online identity", "online predator", "online gambling", "online shopping", "online banking",