Longtime readers of DDJ will no doubt recognize the name Jim Gimpel. Gimpel Software has, after all, been running its "Bug of the Month" ads in DDJ for sixteen years. Each ad presents a concise description of a code gotcha that compilers won't catch. It's all to sell Gimpel's software, of course, but the ads are popular among readers. Jon Erickson chats with Jim about the phenomenon.