Abstract: In one embodiment, the present invention is directed to a method of unlocking electronic files stored in a master database. The method may comprise the steps of: accepting from a user a purchase request for a license and a key to unlock specific stored software; processing accepted requests, including obtaining an electronic delivery address for the user and verifying the availability to the user of the requested key; and electronically delivering to the requesting user one or more keys for unlocking the specific electronic file.

Abstract: A system that comprises at least one reseller's electronic site wherein each such site is arranged to display information pertaining to products selectable by an accessing user and wherein products that are provided to the reseller are provided from a source independent from said reseller. The system includes at least one database controlled by the independent source, wherein that database is arranged to contain information specific to the source's products that are displayable to the user via the reseller's electronic site and at least one communication link that is controlled jointly by the source and the reseller and that is responsive to a request for updated data so as to provide the latest version of the requested data to a database controlled by the reseller.