PDF and Flash® technologies come together to more effectively engage customers, constituents, partners, and employees in key business processes.
This is such a big release and hard to sum up in a few paragraphs, so i wont..
For product information look here;
For developers interested in the nuts and bolts, look here;
As previously announced, a public preview release is avaiable for download here; http://www.adobe.com/devnet/livecycle/espreview/