UPDATE JUNE 14: Please read blog post for more information.

The demo has cookies disabled, so you can keep giving feedback over and over.

The responses have been modified depending on what your feedback choice is. The actual download has a generic 'Thanks' message.

The feedback mechanism is in the bottom right if you cannot see it.

Download Link: taken down for now.

It doesn't work in IE7 (yet).

Read the blog post for more information.