There was a time when cameras had a roll of film in them, usually 35mm limited to 36 shots per roll. You had to put thought into shooting because there was no p

There was a time when cameras had a roll of film in them, usually 35mm limited to 36 shots per roll. You had to put thought into shooting because there was no preview, undo or delete. Once the films was exposed, it was done. Mistakes costed money. Now you can shoot until your 1TB+ SD card is full, preview, delete, edit, etc, right on the camera as it is now a general purpose computer with a digital camera hooked to it. So photography is a now a cheap afterthought for many. Point, click, forget.