Blurbs are brief descriptions or summaries often used to promote a book, film, or product. Synonyms for blurb include promotion, advertising, endorsement, review, recommendation, and synopsis. A promotion can be a short advertisement highlighting a specific aspect of a product or service. Advertising can be a more general term that encompasses a variety of marketing techniques. Endorsements are recommendations from famous or influential people that can lend credibility to a product. Reviews are critical evaluations of a book, film, or product. Recommendations are personal endorsements that suggest something is worth using or buying. Finally, a synopsis is a brief summary of a film or book, which often serves as a blurb for the product.