Abstract: A product is recommended over a computer network by initiating a recommendation network by creating an active advertisement object of a product on an electronic medium. A recommendation request is received from a user viewing the electronic medium to recommend the product to at least one more viewer. The viewer may be a recommended user. The user and the recommended user or users form a recommendation network. The active advertisement object is recreated on another electronic medium. The recommendation request and the recreation may be repeated, and a recommendation chain is determinable.

Abstract: A system for selling or promoting a product online comprises a plurality of users computing devices of a plurality of users. The system further comprises a plurality of seller computing devices of a plurality of sellers. Each seller has a promotional object for advertisement on each seller's computing device. The system further comprises an active advertisement object server in communication with the plurality of user computing devices and with the plurality of seller computing devices. The active advertisement object server propagates an active advertisement object of the product of the seller. The active advertisement object is propagated on an electronic medium of each of the plurality of users. The propagating occurs for one user to another of the plurality of user. The plurality of users comprise a recommendation network.