The Samsung Wave is also meant to be a social hub. The smartphone can now integrate contact information and messages from various accounts and provide a unified view. For example, on a contact page, you can see all your calls, SMS, and e-mail from one person, then touch the Activities tab to see their Facebook and Twitter updates, or go to the Media tabs to see all their photos.
Another social hub aspect is the Ultimate Inbox where you can view all your messages, whether it be e-mail, SMS, or from social networking sites. The smartphone also supports push calendar, for real-time calendar syncing.
These features are great and all, but nothing we haven't seen before on other smartphone platforms like Android.