"Adobe Flash CS3 Professional includes many great new features, including the ActionScript 3.0 programming language and the ActionScript 3.0 FLA file format. This article is a summary of my notes and reflections as I migrated to using ActionScript 3.0. I also provide solutions that address these topics:
* Changes to handling movie clips
* Changes to loading data, content, and symbols
* Changes to building object classes in ActionScript 3.0"