T-MOBILE CZECH STUDY SAYS SMS/MMS AD RESPONSE RATE 27 TIMES HIGHER THAN INTERNET BANNER CAMPAIGNS. The project confirmed the high response rates of SMS and MMS ads, based on campaigns from 22 advertisers, including Coca-Cola, Nestle, L'Oreal, Ford, Komercni banka and Eurolines. The most successful campaign had a response rate of almost 12 percent, while even the results of the least successful campaign were three ti...