It isn't surprising to hear that the average American consumer mentions specific brand names 60 times per week in conversations. In personal relationships, people talk most often and most convincingly about topics that they are passionate and knowledgeable about.. This should come as no surprise to anyone. Since customers care about the products and services they purchase, they have an innate desire to talk to other people about these. What is surprising is where they're doing the talking. According to a study out from the Keller Fayer Group, less than 10% of all word of mouth marketing is taking place online.