I worked at the help desk when I was in college back in the 90s and our mantra to users (and ourselves) was “save often and make backups”. We figured the more p

I worked at the help desk when I was in college back in the 90s and our mantra to users (and ourselves) was “save often and make backups”. We figured the more people we could inculcate that practice into, the fewer “I’ve been writing all afternoon and the computer just crashed, I can get my work back, right?” and “My only copy of my thesis was on this floppy and now I’m getting a disk read error, you can fix it, right?” visits we’d get that would end in tears.