The document discusses the 3D Internet, which will allow for interconnected virtual worlds presented as 3D services. In the 3D Internet, users can see other people consuming the same content simultaneously. It works using virtual platforms, AI, augmented reality devices, and sensors. Potential applications include education, religion, and live sports entertainment in virtual form. Technical challenges include needing faster internet speeds and developing 3D-capable displays. The 3D Internet represents the next phase of immersive connectivity beyond the current 2D web.