1. A method of browsing a product catalog via a telecommunications network comprising: for each page of said product catalog, storing in a first device connected to said network a file containing a low resolution scan of said catalog page, transmitting from a second device connected to said network at least one request for at least one page of said product catalog, transmitting from said first device in response to said at least one page request said low resolution scan file of said requested catalog page, for each product displayed on said low resolution scan of said requested catalog page, storing in said first device a plurality of files from which a detailed presentation of said product is prepared, transmitting from said second device at least one second request for one of said detailed product presentations, and transmitting from said first device in response to said at least one second request said detailed product presentation file.