Slightly related, but I'm a fan of web serialized fiction (fanfics, but also original works like Worm, Worth the Candle, Mother of Learning, Unsong, etc), and when I occasionally order paper copies I'm always astounded at just how physically large they are, in a way that doesn't come across in a purely digital format.

I should note that this rebuts the idea that long-form fiction is disappearing, it's just not getting physically published, because the internet remains the best way to distribute information (and often make a living, since patreon can often end up paying more than a publisher).