Book, Movie, and Product Reviews Are Being Bought and Paid ForCritics have long been accused of accepting money from companies in exchange for a review of their gadget, book, or movie. Most writers would scoff at the idea, but the practice is widespread—and growing.
Source: Book, Movie, and Product Reviews Are Being Bought and Paid For (https://www.wired.com/story/paid-reviews-books-movies-gadgets/)