I have not participated in any marketing campaign yet, but we do have business case study done when i was in school. In 1988, pepsi ran a marketing campaign with slogan "is Pepsi okay" the goal of the campaign was to get peipe to think about what they been consuming on the daily , the goal for this campaign was to compete to coca cola, and by playing this advertisment over and over during to golden hours in different media,Pepsi were very sucessfuul on selling their products.