Antipixel made an observation about how he crops digital images much more often than he does film based photos. I tend to crop more since I’ve gone digital; I had ascribed it to my improving ability to see the “true” picture, but perhaps it just has more to do with the medium than anything else.
In any case, I remember one time when my daughter proclaimed, “hey, I don’t have *that* picture!” … yes, it was a tight crop of a much larger image that she did have a copy of.