Especially in direct mail, a device or gimmick which provokes response such as a coin rub, fragrance application, latex silver scratch off, a sealed item with perforated tear-off strip, or rub and reveal panels.
The Six Vital Variables of Performance Marketing: Testing Markets, Products, Prices, Offers, Media/Materials, Creative Approaches.
There are basically six major factors which affect the viability of any performance marketing operation, and it is important that you accept from the outset that each of them is variable, and you must test …