So, just like a lot of the other programs and sites out there, JamPlay makes several bonus features available to their subscribers to assist them while learning the guitar.
Probably the most beneficial of these features are the Jamchat live webcam sessions with their instructors every day. They almost always have a session going and they post a schedule so you know when your favorite instructor will be online. They usually take questions and have a general discussion. When I've been online I usually notice about 15 to 20 people in the chat room so the instructor should have plenty of time to get to most questions.
The site has many social features such as searching for other guitarists and messaging them, chat, and JamPlay forums.