Abstract: A method, system and computer program product for delivering electronic information anonymously from a first party to a user, in particular to the delivery of advertisement via the Internet. The method for delivering electronic information anonymously from the first party via a second party to a third party as user includes the operations of providing the information received from the first party, receiving a preference request from the user via the second party comprising a session key and a request that applies the session key, and responsive to the request and in the event that the request matches with the provided information, providing to the third party a response comprising a matching information that applies the session key.