Actually, all of use thinks in photographs already. Try saying "elephant" to yourself. It unlikely that you think the word "elephant" when you say it; rather, you may think back to your childhood when you went to the zoo and saw an elephant. You just have to learn to see things in vivid detail in your mind. People who learns to do that is clasified as people with "photographic memory".
People with so called "photographic memory" are extemely observant. When you hold an object in front of them to look at, what they see is not JUST the object as most of us see it, they see much more.
