Fukuoka is a major city in southern Japan, located on the island of Kyushu, and is known for its cuisine and shopping.

The pocket calculator, invented by Sharp in the 1970s, made complex calculations more accessible and convenient for the average person.

Sword Art Online, created by Reki Kawahara in 2009, is a popular anime and light novel series that takes place in a virtual reality MMORPG world.