We all know that DevOps is not (only) about deploying the latest WordPress anymore. There is a growing number of projects that have huge deployment scripts - think OpenStack or OpenShift. In this context it is extremely important to keep deployment code readable and maintainable.
This talk will not try to give you a best practice overview, but show you how Ansible as a whole could be improved. Ansible has a very rich set of features, its YAML files however are often a stumbling block and understanding a big YAML project is not a task for bystanders. In a simple RFC  there is a proposal on how Ansible could look like in the future.