1. The image generating method for simultaneous representative visual display of multiple computer users, the image generating method comprising steps of: visiting a web page in that a first computer user navigates a first web browser on a first computer to said web page such that said web page is shown on a web browser window of said first web browser on said first computer, performing location mapping in that: a first co-presence manager on said first computer performs a computation using a URL of said web page as an input and such that a co-presence channel name and an address of a co-presence server result, said first co-presence manager using said URL and no input from said web page in said computation, and said first computer then notifies said co-presence server of said visiting of said web page by said first computer user in that said first computer transmits said co-presence channel name to said address of said co-presence server, generating a first image package representative of said first computer user, visiting said web page in that a second computer user navigates a second web browser on a second computer to said web page such that said web page is shown on a web browser window of said second web browser on said second computer, performing location mapping in that: a second co-presence manager on said second computer performs a computation using a URL of said web page as an input and such that a co-presence channel name and an address of a co-presence server result, said second co-presence manager using said URL and no input from said web page in said computation, and said second computer then notifies said co-presence server of said visiting of said web page by said second computer user in that said second computer transmits said co-presence channel name to said address of said co-presence server, generating a second image package representative of said second computer user, displaying said first image package on said web browser window of said first computer over said web page, and displaying said second image package on said web browser window of said first computer over said web page.