Why use AS3 not AS2

[AD Flash]

Hey all you AS3 gurus,

Why use AS3 not AS2 on a big data driven site?
The site is proposed to use php -> json -> (AS3 or AS2)

Is AS3 faster?
does AS3 use less menory?
Why is it your tool of chose?

Regards,
Baz

[stompwampa]

Is AS3 faster?

Yes.

does AS3 use less menory?

Yes.


Why is it your tool of chose?

Because it's faster and uses less memory.