This seminar covers contents such as introduction of 3D internet and network media,technical implications, solutions, obstacles to commercial success in 3D internet applications.Also 3D internet and network media advantages and disadvantages, conclusion and references.3D Internet Also known as virtual worlds, the 3D Internet is a powerful new way for you to reach consumers, business customers, co-workers, partners, and students. It combines the immediacy of television, the versatile content of the Web, and the relationship-building strengths of social networking sites like Facebook. Yet unlike the passive experience of television, the 3D Internet is inherently interactive and engaging.