I am a big fan of Google Apps. I use it for personal use and with most people’s Exchange mailbox size limits it is a good alternate (for some) to Outlook with PST files. There has been many people waiting patiently (I was one of them) for this option since Google + has been released. Google+ can now be accessed by members using Google Apps! Google has laid out tips for the roll out, considerations for the real business users and of course wait everyone is waiting for, how to enable Google + for Apps users.
Not sure why you are still here reading. Now that you have access, get to plusing!