The two most common elements of an online campaign tend to be e-mail and a Web site with rich media and plenty of interactivity. The third and least developed leg of an online political campaign is online advertising. This article will answer questions about political online advertising strategies and explore how online advertising can target highly desirable audiences during parts of the day that are otherwise impossible to buy or prohibitively expensive. These “day parts” are subsections of the broadcasting day, used to determine the cost of advertising on a radio or television program.