Colker, I'm not about to devote the time to putting all that stuff on hard drives, if anybody will even know what a "hard drive" is in 50 years. Remember big reels of 3.5" tape? Punch cards? Fortran? A whole bunch of other "hi-tech" that faded into history? Will your great-grandchildren have a clue that those pretty little silvery discs have music or pictures coded on them? Or a way to read them? Pick up a negative with your fingers and you can SEE that there's a picture there. There'll always be a way to do something with an image that you can see.
My stuff isn't jammed into drawers. It's neatly filed, negatives sleeved, dated, and numbered to match the contact sheets stored with them in boxes, the boxes are dated and numbered, and there are notes as to who, what, where, when, and why. My son is aware that there are images of historical interest. He's also aware of the fact that you can't always know what might become "historical interest" in advance.
If I was starting out today I just might be backing up on a hard drive. I'm 66 and can think of more interesting things to do with my time than scanning half a century's worth of negatives to store on transient technology.