[midenginedcoupe]

Huh, I had no idea that's what the black bar was about. I just assumed it was a bodged css rollout every now and then.

[code_duck]

I thought “oh, they’ve subtly changed the design of HN for some reason, that’s interesting”.

[Aachen]

Longest running AB test ever, people keep seeing the black bar occasionally and we just can't figure out whether it improves engagement. How frustrating!