This week's book giveaway is in the OCAJP forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide 1Z0-808 and have Jeanne Boyarsky & Scott Selikoff on-line! See this thread for details.
It's possible even without IceFaces. It's part of basic JSF. Just inject the second bean into the first one as a managed property. When the first bean changes, have it call a method in the second bean to notify it of the changes.
Customer surveys are for companies who didn't pay proper attention to begin with.