Imagine a future where you are building that rich, client-side web app. You start by creating some backend services in Flask or Node, an HTML page, throw in a few divs and uls, and then you type [script src="main.py" language="Python"]. That future might just be possible, for the right types of applications, with Ryan Kelly's pypy.js project. Links from the show: PyPy.js: What? How? Why? - PyCon 2