Everyone who actually programs in Flash knows that there is now full multi-touch and gesture support available. Unfortunately, some people still like to make claims to the contrary in an effort to make Flash appear behind the times. It is fortunately very easy to prove them wrong. Below is a great example built by StruckAxiom that showcases the new APIs that we have made available in Flash Player 10.1.
You can also read this great blog post that talks about some of the techniques used to create this touch experience.