# Reference 0. [Better Java logging, inspired by Clojure and Rust](https://mccue.dev/pages/9-25-22-better-java-logging) 0. [Spans - a key concept of distributed tracing](https://signoz.io/blog/distributed-tracing-span/) 0. [Structured Logging for Python](https://www.structlog.org/en/latest/) 0. [The Value of Correlation IDs](https://www.rapid7.com/blog/post/2016/12/23/the-value-of-correlation-ids/) 0. [IceCream — Never use print() to debug again](https://github.com/gruns/icecream) 0. [Capabilities of Elixir's Logger](https://blog.appsignal.com/2020/10/13/capabilities-of-elixir-logger.html)