I found this fascinating quote today:

The Social Media Club of Charlottesville had an open forum last night where attendees split into discussion groups and brainstormed various ideas for using social media and engaging customers. Unfortunately, I was not able to attend myself, but they posted photos from one of their brainstorming sessions, listing ways to encourage engagement through social media channels. There are 20 great ideas listed, which you'll also find listed below the photos.thecaffeinatedblog.typepad.com, The Caffeinated Blog, Feb 2010

You should read the whole article.