Many Python developers, or developers new to Python, want to know they can best get handle multiprocessing — typically using threads, but sometimes using processes. This is a legitimate question, and often leads to disappointment when they hear about the GIL and related restrictions. However, threads aren’t the only way to handle concurrency in Python; we can learn a great deal from other paradigms and programming languages. In this talk, Sarah Mount introduces several of these ideas, and particularly message passing, and considers how and why we might wish to use them in Python.