Amazon has started legal action against more than 1,000 people it claims provide fake reviews on its website. The online retail giant said in the lawsuit that its brand reputation was being tarnished by “false, misleading and inauthentic” reviews. Amazon claims the 1,114 defendants, termed “John Does” as the company said it was unaware of their real names, offer their false review service for as little as $5 on the website Fiverr.com. Most of the Fiverr ads offered five-star reviews for a seller’s products. The lawsuit was filed in the US on Friday,