have you ever been working on a song/video and a fan on this page says something like  "hey you should make a song/video about this thing!" ...and their suggestion was actually exactly (or very nearly exactly) what you were currently working on?
the only time i think it has ever happened was during the making of history of the entire world, maybe one or two people suggested it. which is a surprisingly low amount, considering the daily requests to do videos about single countries. i was surprised that almost no one thought of the (i thought obvious) challenge of doing the entire world