Abstract: The present invention provides a system, method and apparatus for increasing relevance of a content provided to a visitor by a content provider by providing one or more server computers and at least one data storage communicably coupled to the one or more server computers, receiving at least a portion of a visitor token and at least a portion of a content provider token at the one or more server computers from a content provider device, determining whether a release of an anonymous unfilled demand for the visitor is authorized based on the visitor token, the content provider token and one or more preferences stored in the at least one data storage, and sending at least a portion of the anonymous unfilled demand for the visitor to the content provider device when the release is authorized.

Abstract: The present invention provides a system, method and apparatus for electronically searching for an item by receiving a search request comprising a requested category and one or more requested attributes of the item and storing the search request in a search index based on the requested category and the requested attribute(s). The search index includes one or more categories and each category is defined by a taxonomy of attributes. The search index is then searched for any previously stored search requests that match the requested category and the requested attribute(s), a result of the search is determined and a search response that includes the result of the search is sent.

Abstract: The present invention provides a system, method and apparatus for increasing relevance of a content provided to a visitor by a content provider by providing one or more server computers and at least one data storage communicably coupled to the one or more server computers, receiving at least a portion of a visitor token and at least a portion of a content provider token at the one or more server computers from a content provider device, determining whether a release of an anonymous unfilled demand for the visitor is authorized based on the visitor token, the content provider token and one or more preferences stored in the at least one data storage, and sending at least a portion of the anonymous unfilled demand for the visitor to the content provider device when the release is authorized.

Abstract: The present invention provides a system, method and apparatus for electronically searching for an item by receiving a search request comprising a requested category and one or more requested attributes of the item and storing the search request in a search index based on the requested category and the requested attribute(s). The search index includes one or more categories and each category is defined by a taxonomy of attributes. The search index is then searched for any previously stored search requests that match the requested category and the requested attribute(s), a result of the search is determined and a search response that includes the result of the search is sent.