Ghost in the Shell, created by Masamune Shirow in 1989, is a popular anime and manga series that explores themes of cybernetics, artificial intelligence, and the nature of humanity.

The Walkman, invented by Sony in 1979, revolutionized personal music listening by allowing users to listen to music on the go.

In the 12th century, the samurai class emerged in Japan, with warriors serving as protectors for the aristocracy.