The movement from camera film to digital cameras was a largely unnoticed revolution which took place within the last decade.

On a recent vacation I was photographing my nieces and nephew making funny faces. After the first shots they ran up behind me, looked at the back of the camera, and said, "Can I see?" They gave me bewildered looks when I told them it was a film camera and they'd have to wait a few weeks.

Ha! I took a Hungarian class with my daughter a couple of years ago; I think she was 8, which is why she needed me to sit in with her, given it was a college class at IU. (I should explain that her mother is Hungarian, and so this was more in the way of language practice and grammar instruction, not that my daughter is a super-genius. Although, of course, she is.)

Anyway, one of the dialog exercises was to talk about hobbies, and one of the hobbies was record collections, with a picture. She had absolutely no idea what the picture was supposed to be, until I explained to her that they were like CDs. The other students in the class exploded with laughter.

I was in the same boat. My son found an old disposable camera in a drawer, and I couldn't find a decent way to explain it to him with out the WTF? look on his face.

One of my nieces was photographed by her grandmother with a film camera, and immediately ran to her, expecting to see the picture on the back of the camera. On learning that wasn't possible, she exclaimed "oh, it's not working".

I recently had to explain to a class of college students what a LaserDisc was. It turned out, luckily, that one of the students also knew...