Unbiased Product Reviews - Version 1.0 Product reviews advertising wizard online. A review is an evaluation of a publication, such as a movie, video game, musical composition, book, or a piece of hardware like a car, appliance, or computer. In addition to a critical statement, the review's author may assign the work a rating to indicate its relative merit. More loosely, an author may review current events or items in the news.In terms of scientific literature, reviews are a category of scientific paper, which provides a synthesis of research on a topic at that moment in time. A compilation of these reviews forms the core content of a 'tertiary' scientific journal, with examples including Annual Reviews, the Nature Reviews series of journals and Trends.Unbiased review is where the reviewer is independent and has no affiliation with the product that they review. This is the best kind of review to look for.