…according to Time magazine:
Not to sound too terribly geeky, but much of the material presented was familiar -the one big exception being all those numerical items. I may be a fan of the character, but to have all that data at my fingertips would have been…scary.
Of all the items presented, this is the one I found the most surprising and had never heard of before:
Fifteen years (after the 1949 Batman series) came Batman Dracula, a little-seen avant-garde oddity written and directed (without the approval of the comic publisher) by a rising young artist named Andy Warhol.
As it turns out, some of that (very bizarre) material can be found on YouTube:
And some more: