A communication management apparatus and recording medium which manages positions in the real world in connection with virtual spaces in a virtual world that correspond to these positions; which makes, while maintaining a substitute join either of the virtual spaces of the virtual world, the substitute...http://www.google.com/patents/US6298374?utm_source=gb-gplus-sharePatent US6298374 - Communication management apparatus with user modifiable symbol movable among virtual spaces shared by user terminals to direct current user position in real world and recording medium used therefor
