Dynamics of Discussion Forums

As part of research working towards innovation in the medium of online discussion I'm conducting a short survey about how they shape, facilitate and limit discussion.

Any contribution greatly appreciated:

http://www.surveymonkey.com/s.aspx?sm=tvsdwOK7xxMwAEx7dVHsaQ_3d_3d

Facebook group:

http://www.facebook.com/group.php?gid=52459028562