This document provides an overview of going polyglot and learning multiple programming languages easily. It discusses the benefits of languages like Elixir, Phoenix, Haskell, Yesod, Erlang, ClojureScript, PureScript, and JavaScript frameworks like Elm for building service-oriented architectures. RabbitMQ is presented as a tool for connecting languages like Java, Ruby, Python, and more. The document advocates for starting small and using an A/B testing approach to introduce new techniques without risk.