Free and/or Open Source projects are about sharing and learning from others as well. An inspiring example is Lydias proposal of a Social Media Guide [1], giving an practical introduction. Have a look at it, read and learn about social media and get inspired for the benefit of CAcert and the Free and/or Open Source Community.

Download:
[1] http://www.lydiapintscher.de/whitepapers/Social_Media_Guide_For_Free_Software_Projects.pdf