27. The method of claim 23 , wherein the step of extracting real-time price and product information is domain-independent and language-independent.
23. The method of claim 22 , wherein the step of receiving a price comparison request further comprises the step of receiving from the user at least one search parameter and an identification of at least one online vendor on said computer network; and further wherein the extracting step includes the steps of i. posting a request using the processed parameters to at least one of the plurality of vendors online, in real-time; and ii. retrieving data related to the price and product information from search results obtained in response to the posting step; iii. sorting the retrieved data by price; and iv. displaying processed data for the desired product from at least one of the plurality of vendors.