I’ve gotten a lot of requests to release the slides from the Qualities of Virtual Goods presentation that Volker and I held at the Browsergames Forum 2010. So now that I’ve cleaned up the slides some I can make the available as a handy PDF download:
The article is released for personal use only and it’s copyrighted by Gameforge Productions GmbH. The exception are the images licensed under Creative Commons and clearly attributed. If you have questions, need further information or plan to use the presentation for anything other than personal use, please get in touch with me.