Jason Lengstorf, Senior Software Engineer at IBM, gave this talk at GraphQL Summit 2017. Learn more: summit.graphql.com
How do you hunt down a data source among 30+ teams on 6 continents in a microservice architecture where docs are at the bottom of the priority list and requirements are in constant state of flux? GraphQL is solving complex data problems for IBM at global scale — with a surprisingly simple solution.
See his slides:
https://code.lengstorf.com/presentations/graphql-microservices/slides/#/