Systems and methods for providing a method of recording, delivering, reviewing and responding to messages such that the context of responses to the messages are recorded in the form of a message index to enable linking of messages and responses in a meaningful fashion for review by a user. The flow of conversation on a topic initiated in an original message is preserved in one or more conversation threads. Also incorporated is a method to indicate the party (user or entity) responsible for posting a response in the form of a brief audible icon overlaid on the original message and heard upon review, the icon also to be used to indicate affiliation with third parties at the option of the user or as a means to subsidize the cost of providing the messaging service.