Computer

''Did you mean SubOS? (also commonly known as a computer)''A Computer is a popular tool that has been around since the 1970s. If you are reading this, you're on a Computer, unless you're viewing it on a Phone or other computing system.

Use as tools
Since ancient times, people have used an Abacus or similar computers. People use Computers to look at Soogle and play CDs. Computers can also be used to play Games.

Use as drugs
In South Korea, people have been known to use Computers, especially with the game Starcraft, as a way to get High for cheap. As a result, it is estimated that 80% of Koreans are addicted to Computers. Internet Cafes are suspected to be enabling millions of Koreans to play Starcraft without worrying about Kim Jong Un pulling the plug.