9 Computer hardware, radio frequency identification receivers, transmitters, readers, and tags all for item tracking, item identification, document tracking, document identification, inventory management, the exchange of information to and from a customer database, and the exchange of information to and from a general database; computer software for item tracking, item identification, document tracking, document identification, inventory management, the exchange of information to and from a customer database, and the exchange of information to and from a general database; computer software for use in the field of radio frequency identification; computer software for controlling radio frequency identification receivers, transmitters, and readers