The 9 platforms providing remarketing service are discovered in this article by the AdWords Robot Company. There are two ways to implement remarketing: one is retargeting on social media, mobile apps, dynamic retargeting, and another one is search retargeting; advertisers can choose to get the service of a ‘middle man’, or go directly to the exchanges. [There’s no doubt about it. Retargeting works. Here there are 9 platforms which make remarketing work for you. We discuss the big guys like Google, Facebook, AdRoll and Criteo. But we will also give a small introduction in other service which can be used for programmatic buying.]