Additional resources
Additional resources (demos, tutorials, etc), about the Group module are available throughout the net. This page contains an inventory of
Example usecases
Out of the box, Drupal only allows a person to view, create or edit the different content types you create. However, you might want to be
Group 7.x-1.x
The Group module for Drupal 7 is based around the Entity API. Individual groups have a "Group Type" in the module, which is an Entity. Since
Group 8.x-1.x
Placeholder page for the Group (version 8) documentation, about anything that does not apply to the 7.x version of the Group module.
How to contribute
For anybody looking for ways to contribute to Group, here are a few examples to consider:
The 
Social Networking and Collaboration