A "Rumsfeldian" visualizer. Neat! http://www.theatlantic.com/politics/archive/20...

coldtea · on Dec 31, 2015

I always find it strange that people found that thing Rumsfeld said dumb, bizarre or (worse) his own invention [1].

Those are standard epistemological distinctions, known (and written about) since at least the times of Aristotle.

[1] (I mean the philosophical essence of what he said -- not that he didn't tried to use it an an excuse for BS).

gojomo · on Dec 31, 2015

I also find it interesting that the aerospace/defense world (and co-influencing cultures in engineering and government) have sometimes used 'unk-unk' as shorthand for 'unknown unknowns'.

http://www.waywordradio.org/unk_unk/