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 has more than 100 million views per month and has "created a whole new form of internet speak". In 2009, the humour site Urlesque deemed September 9 "A Day Without Cats Online", and had over 40 blogs and websites agree to "[ban] cats from their pages for at least 24 hours". , there are over 2 million cat videos on YouTube alone, and cats are one of the most searched keywords on the internet. CNN estimated that in 2015 there could be around 6.5 billion cat pictures on the internet. The internet has been described as a "virtual cat park,