Who: This is a module for all technical Drupal admins. While non-techincal users can set it up it is complex and spans multiple modules (both included and third party). What: This module allows your users to have "relationships" and allow your modules to use those user based relationships. When: Use this module when you want users to connect their user accounts for social reasons. Where: /sites/all/modules Why: Facebook has it, you should too :) This can be the cornerstone of your Drupal based social network.
