Ever since media became mainstream with the invention of the printing press, people have been reading it. They've also been buying newspaper, watching television and venturing to see the latest movie at their local theater since each of those activities became commonplace. No matter how you look at it, providing media to the masses is a big industry.
That's why it's no surprise that there exist a set of media corporations that are bigger than all the rest. They broadcast programs that people watch each day, publish the latest in current events and put out new movies for people to go see. While all of these activities are extremely entertaining to the people watching and reading, they're also profitable to the companies involved.
These media corporations haven't gone without controversy. Each one has something surrounding their names, whether it's a massive wardrobe malfunction during a major event or it's discriminatory hiring practices. One of these media corporations that is a household name to anyone who has a child has even been accused of trying to broadcast subliminal messages to its audience.