Online retail giant Amazon’s website is flooded with fake five-star reviews for products from unfamiliar brands, the consumer group called Which? has claimed. Household names were largely absent from top-rated reviews on popular items such as headphones, smartwatches, and fitness trackers, it concluded. Thousands of reviews were unverified, meaning there was no evidence the reviewer bought the product, it said. Amazon said it was using automated technology to weed out false reviews. It said it invested “significant resources” to protect its review system “because we know customers value the insights and experiences shared by fellow shoppers”. “Even one inauthentic review is one too many,” it added. Read more at BBC News.