We do not currently have a trial version of Active Social, but there is a trial version of Active Forums that you can get by clicking Like on the DotNetNuke Facebook page.
There is a demo site at www.activesocial.com where you can create a profile and view all the end user features.
Here is a topic where some of our customers recommend sites using Active Social:
http://www.activemodules.com/active...ve-social/