By June 2011, Amazon itself had moved into the publishing business and begun to solicit positive reviews from established authors in exchange for increased promotion of their own books and upcoming projects.
2011年6月までにアマゾン自身が出版ビジネスに参入し、有名作家に対し彼らの既刊や新刊のプロモーションを増やすことを条件に好意的なレビューを求めた。