Are regional differences around the U.S. (Northeast vs. the South vs. the West, for example) affect marketing strategies of companies to reach consumers? Are the different regions influenced by different marketing methods?
Marketing strategy is dependent upon market position (see link below). If you want to create a regional flavor to marketing campaigns, there are ways to do this through tactics you deploy. This can include the tone of the copy used, Google maps, even some twitter type campaigns that are geographically-based. InternetAd.biz