Abstract: A system and related techniques host and serve selective, orchestrated advertising campaigns and other content to users depending on contributing advertisers' campaign strategies as well as use interests, prior history or experiences. According to embodiments, users may navigate to a Web or other network site which contains or invokes ads or other media or content. When ad or other content is called, according to the invention in one regard a user identifier may be checked, to determine whether the user has subscribed to or had a profile established with the orchestrated ad platform of the invention. If the user does have a unique identifier associated with them, an ad engine may perform a lookup of the identifier against potential ad campaigns or delivery modes, to deliver a more coherent or orchestrated stream of ads or other media to the user.