Why change from flash to flex?

hi everyone
I'd like to know why is flex a better alternative to build
RIA applications then flash itself, because i can't find anywhere
the reasons to change, since flash can do almost anything that flex
can to, so please explain it to me. thanks

Let me try a short answer: I think Adobe targets two
different audiences with Flash and Flex: Flash is the authoring
tool for the design-oriented web artist. Flex on the other hand is
a powerful IDE for the application-oriented software developer.
Since both products share ActionScript and the SWF file format I'm
sure both sides will benefit from each other in the future.

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