A fairly large and obvious difference is that around Christmas I can (and usually do) break up the cardboard boxes into smaller pieces, and put them inside my t

A fairly large and obvious difference is that around Christmas I can (and usually do) break up the cardboard boxes into smaller pieces, and put them inside my trashcan instead of just on the curb, so the fact that I got, say, a large tv is hidden. This sort of database would not be opt-out.