Does that picture depict a rabbit or a duck?  Easy question, right?  Well, your answer might say more about you than you'd think.

This optical illusion was first published in a German magazine in the 19th century and was used to test people's level of creativity.  Most people see a duck first, but that really isn't what matters.  What matters is your ability to transition between seeing the duck and the rabbit.  The easier you can do this, the more apt you are to being creative.  If you have to stop and think about it in order to switch your perspective, you might be less creative and more analytical.  So, what did you see first?

You can read more about this optical illusion on this Psychology blog.