요약 ABSTRACT Ⅰ. Introduction Ⅱ. Evolution of Computer Games into Virtual Worlds 2.1 MMORPGs as a (Pseudo) Virtual World 2.2 Social Virtual Worlds 2.3 Realistic Virtual Worlds Ⅲ. Future of Games and Virtual Worlds 3.1 What the Future Will Hold 3.2 'We' in the Future Virtual World Ⅳ. Concluding Remarks References