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
Cats and the Internet internet than they were to post a selfie. Also, it was found that people who watch cat videos feel more energetic and positive after viewing online cat content. Maria Bustillos considers cat videos to be "the crystallisation of all that human beings love about cats", with their "natural beauty and majesty" being "just one tiny slip away from total humiliation", which Bustillos sees as a mirror of the human condition. When the creator of the World Wide Web, Tim Berners-Lee, was asked for an example of a popular use of the internet that he would never had predicted, he answered