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by allenbrunson 6341 days ago
adobe has opened up a little bit. enough to convince a casual observer that swf is an open format. but it's not.

for example, the open source flex sdk can't be used to create flash apps with gui controls. for that, you need adobe flash cs4. they haven't opened up the fla format, which means that nobody can create a product that competes with adobe flash cs4. so it's not very open at all.