I didn't get a chance to see this at PyCon, but wow, this video really helped me understand some of the fundamentals of PyPy. (For example, I had no idea it didn't have a parser, and instead only acts on the intermediate representation of Python bytecode.)<p>Also, David Beazley has a great way of making difficult concepts approachable.
That was great. PyPy looks like a great bytecode equivalent to what is happening with other languages and he does highlight this "disconnect" that is raised by new approaches that produce amazing results. He even got a async node joke in there, cracked me up.