Patent ID: 6892181

Claim:
A computer-based method for enhancing the effectiveness of on-line advertising, said on-line advertising performed over a communications network including one or more of: a web site, an ad web site that includes an ad database, at least one remote terminal, and a communication network interconnecting said web site, ad web site and said remote terminal, said computer-based method comprising the following steps: processing a request of one or more web pages from said web site; automatically receiving one or more ads associated with each of said one or more web pages and displaying said one or more web pages and associated ads at said remote terminal; retaining in computer storage previously viewed web pages and associated one or more ads; automatically receiving a request to retrieve one or more previously displayed ads from said computer storage; dynamically retrieving and rendering said requested one or more new ads and previously viewed ads at said remote terminal, thereby enhancing the effectiveness of said on-line advertising, and wherein when a previously viewed web page stored in said computer storage is revisited as a new web page, differences between said new web page and said previously viewed web page are determined in terms of their associated hyperlinks, and ads associated with said new page and said previously viewed web page are displayed separately at said remote terminal.