Direct marketing . . . is the only form of accountable advertising.
Direct marketing stands out as a uniquely accountable type of advertising, allowing businesses to measure their effectiveness directly. This method enables marketers to track responses and conversions, providing clear data on the return on investment. Unlike other advertising forms that often rely on broad metrics, direct marketing offers tangible results, making it easier for businesses to understand their impact and adjust strategies accordingly.
In "The Copywriter's Handbook," Robert W. Bly emphasizes...