Pinterest is a social media platform that allows users to create and share visual bookmarks called pins of things they find interesting from around the web. It is primarily used as an inspiration and planning tool for hobbies, recipes, home decor and fashion. The document outlines how Pinterest can be used by businesses to promote their products and services, provide inspiration to customers, and connect with others through shared interests. Key metrics show Pinterest drives high online engagement and sales. Tips are provided on using keywords, creating boards, following others, and automating pin posting to effectively use Pinterest for business purposes.