The document discusses the strategy and tracking of promo codes. Some key points covered include: - Promo codes are used to create exclusivity, avoid giving things away, and most importantly for tracking purposes. - Promo codes can be used on newsletters, banners, upsell pages, product pages, stuffers, and web ads. - Common discount types include free shipping, percentage or dollar amounts off, and buy one get one deals. - When selecting promos, factors like campaign history, customer behavior, time of year, competitor activity, and overstocked items are considered. - Dynamic codes that can only be used once are more difficult to create but prevent codes from