Once the pager's standard messaging system has been improved; options to customize your messages font color, font face, and general style should be added. Such customization should be added as a membership only features and would provide a good selling point.
You should also disable HTML formatting and sending game invites for non-members. However, the basic 1on1 messaging functions should be available to everyone.
* Steam provides an excellent example for game distribution mediums.
Feb 7 2012, 8:08 pm (Edited on Feb 7 2012, 8:15 pm)