8, on a logarithmic scale. Our web app uses 100 EC2 servers doing data aggregation, a recommendation engine written in Java, a cms using Drupal, an API written

8, on a logarithmic scale. Our web app uses 100 EC2 servers doing data aggregation, a recommendation engine written in Java, a cms using Drupal, an API written in PHP, and a front end using JSrender. We're using Mule for eventing, APE for push notifications, and pretty much every AWS service there is.