Filmed at http://2016.dotscale.io on April 25th in Paris. More talks on http://thedotpost.com Developing a modern application oftern means composing it with several services, many of them third-party. While this offers many benefits, it also traps your data in silos, preventing a holistic view. Eliot presents the cross-service-join: a means of querying across multiple services from a central database.