Last week, I held a keynote presentation about Symfony2 at the Symfony Day conference in Cologne. Many people asked me for the slides, but they were quite empty and not that useful. This blog post is more or less what I've said during the first part of the talk. What is Symfony2?# When I ask people what Symfony2 is for them, most of them say something along the lines of: Symfony2 is a full-stack w