The document discusses information systems and what surprised the author about 3D TV technology. It defines an information system as an organized system for collecting, organizing, storing, and communicating information to support decision making. It explains that 3D TV works by providing slightly different images to the left and right eyes, tricking the brain into perceiving 3D objects. The author was surprised by 3D TV because it gave the feeling of being present in the scene rather than just watching through a screen, creating a more immersive experience, especially for movies, shows, and games.