1. A method for presenting message topics to subscribers of a pub/sub service, the method comprising the steps of: creating a GUI representation comprising one or more widgets and one or more topic identities, wherein the a topic identity identifies a topic of messages to be published from a content provider by way of the pub/sub service to pub/sub subscribers; associating a first list of first subscriber identities with the first topic identity, the first list of first subscriber identities identifying first subscribers subscribing to the first topic; providing the first topic identity and associated first list of first subscribers to the pub/sub service; providing the GUI representation comprising the one or more widgets and the one or more topic identities to subscriber computer systems; and publishing topic messages of the first topic identity from the content provider by way of the pub/sub service to first subscribers according to the first list of first subscribers.