> The only time in recent memory I used it myself was when a Redditor asked for anti-Bitcoin bingo cards, a request which I am unquestionably the best qualified person in the world to answer.)

Apropos of nothing, it seems that if you're interested in piquing the interest of someone busy, discovering the venn diagram for which they're one of a small population in the intersection might be the way to go. Or, it might just be really creepy.