Envelopes inserted inside direct mail shots, perhaps acting as teasers, containing a special offer, a prize offer, or a gimmick. May be plain or printed. May convert a static advertisement into something more active, or may provoke overkill.
The Mathematics of Direct Sales and Performance Marketing Profitability: How to Make One-Shot and Subscription-Based Products and Services Viable
Before you even begin to think about the detailed techniques of performance marketing and selling your product or service directly – the market, the design of the material, the method of order fulfillment – you …