In the letters written by Richard Seaver of Grove Press and Ira C. Herbert of Coca-Cola, appear to have a discussion over the use of the slogan “It’s the Real Thing.” Both portray a satire diction to support one’s disagreement. Reaching their purposes by using rhetorical devices such as logos, humor and irony. While both were effective, Seaver’s point is more persuasive than Herbert’s. In Herbert’s letter to Seaver, he appeals to reason that “there will always be likelihood of confusion... and diminish its effectiveness and value as an advertising and merchandising tool.”
He’s doubting the intelligence and common sense of customers by inferring they can’t tell the difference between “a book by a Harlem Schoolteacher” and “a six-pack of
