I stand corrected (per @yipe). "backup everything" is a good user-centered-design default. My Time Machine UI complaint is in preferences: it would be easier for me (as the minority user who actually goes into preferences to change something) to select and *include* which folders I'd like to back-up rather than having to carefully *exclude* everything else. - Tantek

I stand corrected (per @yipe). "backup everything" is a good user-centered-design default. My Time Machine UI complaint is in preferences: it would be easier for me (as the minority user who actually goes into preferences to change something) to select and *include* which folders I'd like to back-up rather than having to carefully *exclude* everything else.