Download
Flash Player 9 (free)
Flex 2 applications (SWF) run within the Flash 9 Player.
Flex 2 SDK (free)
Enables you to develop and deploy Flex applications for free using an IDE of your choice. Includes the Flex framework, the compiler, and the debugge
how how easy it is to use JSON. I am not assuming that you know anything about Flex / ActionScript or JSON. Because of this, the tutorial will be pretty long, as I want to make sure I cover every step of the process.