Can you tell what is inside this photo?
Let me share a hint: Our brains are conditioned (through education and upbringing) to focus on the dark part of an image to identify meaning. If we break this condition and start seeing the photo as a whole (see the black blotters AND the white space) we might be able to capture something.
Do you see that this is a photo of a cow?
Some of better-trained people with open-minded brains will see this perhaps at the moment they see the photo. Some will see this after they receive the hint (that they should include the white space as part of the photo). Some with lesser-trained, more-hardened brains will see this after they are told that this is a cow. Some with a severe case of close-minded brains will still unable to see it even after they are told about the cow.
So what's the point? Creativity is the capability of creating something new out of what seems to be impossible - something people never thought about. This requires our brain to be 'open' and see beyond the norms, such as seeing a cow in a seemingly random blotters.
This is taken from Creative Thinkering, by M. Michalko. The book is very entertaining and inspiring. It has a lot of brain exercises and techniques that eventually will train us into a more creative individual.