- MUVEs in business. Trade shows, events management. Running a business in Second Life
- MUVEs in government. Case studies: the Federal Consortium for Virtual Worlds, the National Defense University, vGov
- MUVEs in education and research. Case studies: ScienceSim. Virtual universities (Rockcliffe, St Leo, etc)
- MUVEs in the arts and entertainment. Case studies: virtual worlds in therapy and psychiatry, etc
- Virtual museums, virtual history, virtual archaeology.
- Frontiers. Web 3.0: from the 3D desktop to the 3D Internet