Abstract: The method of advertising according to the present disclosure facilitates the delivery of categorized advertisements to recipients of electronic communications such as emails, SMS messages, MMS messages or instant messaging (IM) messages. In one aspect, the method generally comprises the steps of (i) receiving an electronic communication intended for one or more intended recipients, (ii) inserting one or more selectable advertisement categories into the electronic communication to form a modified electronic communication, and (iii) sending the modified electronic communication to the one or more intended recipients. In another aspect of the disclosure, the method of advertising is associated with a prize draw where a sender's entry of the prize draw is made by the sender sending an electronic communication inserted with categorized advertisements.