Negative reviews are those that outline problems with a product or company. Some websites allow people to write about their experience with a product or company while others allow people to post a rating, often between one and five stars.
Negative reviews can cause prospective customers to look for alternative products, but many people are wary about online reviews. Some companies pay people to post positive reviews about their products and to post negative information about competitors' products. However, the effects of negative reviews on a product or company can be hard to measure, and even negative reviews can help a product sell better.