If you are on Amazon, you might have noticed that it is sometimes difficult to know which products you should purchase. Sometimes they all look alike. There are Half a billion products in one location, and they all compete for your attention. But the fact is that most buyers may just click on some, existing at the top of the list. For one of those spots, some sellers are willing to do anything. This article focuses on all the aspects of reviews on Amazon, like their manipulation, malpractices, effects and monitoring which might have a huge role on which product the customer finally purchases. © 2019 IEEE.