Promotional content is an endorsement by someone with a financial or close personal connection to what they're endorsing.
There are several ways in which products may be promoted to customers. In all cases, the poster must clearly disclose their financial or personal connection if not obvious from the context.
Here are a few examples:
An author or publisher may post content in the book description, About the Author, and Editorial Reviews sections of the product detail page. To learn more about these features, visit Author Central.
An author, artist, seller, or brand may submit content regarding their own products to their followers using their official account.
A relative of an author may submit content to their followers as long as their relationship with the author is disclosed in the content (e.g., "Check out my spouse's new book").
Anyone may submit content to their followers in exchange for compensation as long as it is clearly and conspicuously disclosed (e.g., "I was paid for this post", "I received this product for free in exchange for this post").
Anyone may post comments on Customer Reviews or Questions and Answers as long as any financial or close personal connection to the product is clearly and conspicuously disclosed.
Eligible vendors and authors may use Amazon Advertising Services to promote their products through Amazon Pages, Product Display Ads, Headline Search Ads, and Sponsored Products, subject to those programs' requirements.
Note: For details on how promotional content is restricted, see Customer Reviews and our Community Guidelines.