I know a guy with a photographic memory. He can't understand how people forget things they have read because he is able to visualize material he has read and re-read from the page from memory.

I was driving back from the gun range today and was "listening" to music in my head and I got to wondering if a person with a photographic memory is able to recall a song so accurately that it is essentially the same as listening to a recording on headphones. That would be pretty cool.

I've heard that having a photographic memory can suck because you may have an impaired ability to generalize. That is, you may not be able to recognize a friend if they grow a beard because you are able to recall thousands of people's faces so exactly that your bearded friend appears to be an entirely new person.