Human interface system for communicating networked users

In a human interface system constructed by connecting a plurality of computers via a network, at least one of said plurality of computers comprising:

• a plurality of virtual sites, each virtual site including at least one object including people and instruments, each virtual site performing at least one of retaining and managing a plurality of pieces of data and a plurality of programs corresponding to characteristics of each object of said at least one object of said plurality of virtual sites;
• access managing means for managing access rights of plural users to control access to each of the plurality of virtual sites, said access managing means including first and second communication channels, wherein said first communication channel is a communication channel between two of said plural users, and wherein said second communication channel is a communication channel between one of said plural users and said at least one object of one of said plurality of virtual sites, each of said first and second communication channels established by accessing said plurality of virtual sites via said plurality of pieces of data and said plurality of programs;
• and
• connecting means for connecting said at least two communication channels to each other,
• wherein said at least one of said plurality of computers includes a link information of sites existing on at least another one of said plurality of computers and is capable of establishing communication channels between each of said plurality of virtual sites of said at least one of said plurality of computers and said at least another one of said plurality of computers.