Records Management. While most records staff make a valiant effort, almost all are understaffed. That includes everywhere from big corporations to small businesses, gov't agencies, non-profits, schools, etc.
So if you have any documents that you feel you don't need to keep, like marriage certificates, property purchases or sales, divorce decrees, insurance papers, school transcripts, etc., because you think they are all being safely stored by the issuing company or agency, then please think again. Yes, originals get lost, data gets mistakenly erased, and then you're stuck trying to recreate something, if it's even possible. Go ahead and scan, but for critical documents please keep a paper or microfilm copy.