One of the more amazing features of doof is the ability to sync and import facebook information into doofspaces. This could be the portal of choice for many individuals who want and need a place to network, and they like games, and they would like to be able to share information.
Doof is still under development, so it's hard to say what other features will be included. A very powerful and useful feature could be to include the ability to create groups and subcommunities. It would be a fantastic way to blend elearning and social networking and gaming. Elearners could go to doofspace for all their entertainment and educational needs. The portal to the school and/or course management system could be in a doof community.
The idea that one might use non-serious games as the foundation of a social network of people who share educational goals is an interesting notion. The first questions that come to mind are: