Product literature is a primary subset of business publishing that is geared toward the selection, purchase and subsequent use of a business' products. Product literature is intended to be created and distributed by the manufacturer alongside the product. The two components are designed to work in tandem so as to provide more information to the purchaser regarding factors such as ongoing use, how the product functions and what the expected effects over time might be. While the majority of product literature is put out by the business making the product, aftermarket material can still be classed as product literature provided that the content it contains pertains to the product. It is also possible for there to be no literature adjacent to the product. Some categories of product literature include product promotional literature, product datasheets, product development literature, product operating manuals and product purchasing terms and conditions. Promotional Literature Promotional literature is a class of product literature that endorses and advocates for the selection and usage of a product. The primary function of promotional literature is to act as a form of advertising for the product that emphasises the benefits of choosing it. It also aims to mitigate the compromising effects that product uncertainty can have on a consumer. (Hong & Pavlou, 2014). There does not necessarily have to be any differences between competing products, and often successful product differentiation will create an imagined perception of greater quality to become more popular in the market. (Dickson & Ginter, 1987). The price of a good can in of itself be a marketing tool. Consumers may view a product as of higher quality if the upfront cost surpasses that of its competition. Additionally, if the message of a product is transmitted in an expensive manner, such as through a multi-million dollar commercial with national exposure, the consumer may in turn place a greater degree of faith in the quality of the product. (Milgrom & Roberts, 1986). Different forms of promotional literature may include materials such as pamphlets, posters, videos, audio tracks and online resources. (Law insider, 2022). While promotional literature used for advertising is often an explicit endorsement of a specific product, it can alternately serve to build or affirm the reputation of the brand behind the product. This is most commonly done by brands who are seeking to uphold standards of quality or consumer expectation. (Rao & Monroe, 1989). Promotional literature can