Uses of PO

The intermediate impossible - what can happen ?
  1. Instead of rejecting the idea at once you look at it a bit longer and find good points that you would never had noticed had you rejected it right away.
  2. Judged within the framework o your current views on the subject. the idea may be wrong but if you hang on to the idea you may find that it is right and your current framework may need changing.
  3. The idea is definitely wrong and will always be wrong yet it can act as a stepping stone to new ideas that are right

How to set one up.

Turn an idea upside down, inside out back to front exaggerate it, distort it. Say the most outrageous thing you can think and see where it leads you.