It converts scrolling into a measurable distance.

The more you scroll, the more the site reminds you you're still scrolling.

A few remarks:

- some sentences (many) seem to be cut off on desktop. I only see, eg. "content to keep the site from going viral" or "around here. We're not that ambitious".

- It's interesting that for users who have their device set to the superior scrolling direction ("reverse" scrolling, drag your fingers up to see what's at the top), your website behaves correctly but gives the opposite feeling. It's the first webpage where I've ever felt like "normal" scrolling (drag your fingers down to pull the page down) would be more natural.

- scrolling for long enough to get the first sound effect was quite a surprise

I disagree. It has gotten me to being entertained.