discuss any two important/ strategic/ easy to recollect advertising/ brand campaigns. One of these may be from the Canadian/ North American market while another one from any other country (may be home county of a group participant?). Discuss the ad campaign and its impact on company's sales/revenue/ brand value. Also, as a market researcher, analyze the theoretical underpinnings explaining the core functioning of the campaign. Which theory/ sets of theories can possibly justify the campaign's philosophy?