Abstract: A method (and concomitant apparatus and computer-readable medium comprising software) for providing personalized advertising to users of internet web pages comprising providing an index server maintaining a dynamic index to internet web pages and employing a hierarchical plurality of topic categories whose contents are maintained and updated by the index server, permitting a user to specify any subset of the plurality of topic categories, and serving to the user an advertisement based upon the subset specified by the user.

Abstract: An apparatus for, computer software for, and method of providing personalized search capabilities of internet web pages comprising: providing an index server maintaining a dynamic index to internet web pages and employing a hierarchical plurality of topic categories; permitting a non-administrative end-user to specify any subset of the plurality of topic categories; and adding to an internet web page controlled by the user link information permitting execution of searches of the index server in any category of the subset but only of categories in the subset.

Abstract: An apparatus for, computer software for, and method of providing personalized search capabilities of internet web pages comprising providing an index server maintaining a dynamic index to internet web pages and employing a tree structured hierarchical plurality of topic categories, permitting a non-administrative end-user to specify any subset of the plurality of topic categories, and adding to an internet web page controlled by the user link information permitting execution of searches of the index server in any category of the subset but only of categories in the subset.

Abstract: A method (and concomitant apparatus and computer-readable medium comprising software) for providing personalized search and browsing capabilities of internet web pages comprising providing an index server maintaining a dynamic index to internet web pages and employing a hierarchical plurality of topic categories whose contents are maintained and updated by the index server, permitting a user to specify any subset of the plurality of topic categories, adding to an electronic medium page link information permitting browsing of and/or execution of searches of the index server in any category of the subset but only of categories in the subset, or any subset of that subset, allowing the user to propose addition of an internet web page to the index server in conjunction with one or more categories of the subset, and adding the proposed page to the index server wherein all users can search the proposed page in the applicable one or more topic categories.