Almost half a century ago, Horst Rittel en Melvin Webber, both professors at the Berkeley University of California, coined the term ‘Wicked Problems’. Their description of wicked problems may help in shedding some light on the current Corona-situation, which is why I have decided to create a series of posts on this topic. This is part 7. Keeping your options open Property 6: "Wicked problems do not have an enumerable (or an exhaustively describable) set of potential solutions