I recently prepared a training using a rather unknown creative problem-solving technique: Reverse Brainstorming. How does it work?

The first important step is to come up with an explicit challenge or objective that the group can work upon. Continue reading
I just finished this yesterday and I highly recommend it. The main message i drew from the book is that behind every written word, picture or initiative there are numbers telling you how effective are these actions. Some excerpts bellow: