Is there an activity, a ride, a feature that you are glad no longer exists? We often mourn things lost, but some things are better done away with.
One example: the Bumper Stickers. 'Way back when, you'd leave the City to find a bumper sticker on your car's rear bumper, applied while you were there. In a day when hard chrome bumpers and weak adhesives prevailed, this advertising campaign wasn't overly harmful, but plastic cars and tough adhesives nowadays would make the practice much less reversable. And I *hate* having other people touch my truck