I posted an update on my founding C++ User Groups article from 2 years ago:

6 topics on starting and running a User Group

by Jens Weller

From the article:

Almost two years ago I blogged about founding C++ User Groups, since then I have learned a lot more on the topic, and I want to share that experience with you in this blog post. While my focus here at Meeting C++ is C++, this post is more on the topic of a User Group, so its also useful to you, if you want to start a user group on something else. Yet, I might strive away into C++ lands in this post...