Author: Sagida Allioua The flawless lie   Just a small question to start. You read a five- star review that describes a product : “the best ever , nothing to say , buy it”. What do you think? You probably let out a sarcastic sigh and scroll to look for a review that seems more truthful. But why does a review that is too positive not seem real to us ? This is called the paradox of authenticity  : the more something looks good , or the more positive a review is , the more it lo