Hi, I thought you may like this Mentalrobics exercise from Braingle.com:
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Opposite Perspective

The next time you are stuck on a project ask yourself this question, "If the goals of this project were completely opposite of the actual goals, what would I do differently?" When we think about a project in one particular way we can get into a mental rut which is hard to escape. A question like this gets you thinking about opposites, which will in turn get you out of the rut and get your mind thinking about new ideas. Sometimes solutions that are completely opposite of the solutions you seek can be very fruitful.
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For more mind exercises: http://www.braingle.com/mind/