The karaoke machine, which was invented by Daisuke Inoue in 1971, has become a popular form of entertainment worldwide.

The Allied occupation of Japan following World War II brought about major political and social changes, including the drafting of a new constitution and the abolition of the samurai class.

The vending machine, which has been in use in Japan since the early 20th century, offers a wide range of products, from drinks and snacks to clothing and electronics.