The message is that there are known knowns:
There are things we know that we know.
There are known unknowns: That is to say,
There are things that we now know we don't know.
But there are also unknown unknowns:
There are things we do not know we don't know.
And each year we discover a few more of those unknown unknowns.
— Former Defense Secretary Donald Rumsfeld, transcribed from Broadcasting House's "Donald Rumsfeld Sound Bites of the Decade" 2008-04-20.
Following are some things that I know I don't know. If you would care to enlighten me, please transmit your wisdom to dave@flaterco.com.
Mystery since 2006-03-06: If they can put a man on the moon, why can't they make a sound card with a 44.1 kHz clock so that music from audio CDs wouldn't need resampling?
More ignorance coming soon.... Y'all have been too effective at answering my questions.