Was it the movie Go where they thought they were getting involved in some sex thing, but it was actually Amway?

I’d personally just delete all of the stored data, and watch when I load the page to see what gets created.

If the same domain is being affected across multiple tabs, it’s possibly related to multiple tabs trying to access the local storage at the same time. You can see that data from the dev tools built into Firefox (hit F12). https://firefox-source-docs.mozilla.org/devtools-user/storage_inspector/

Just started listening to it as a wind down. It’s Wil Wheaton.

Looks like they stopped dev in '21, but RockBox is what I used to use. Amazing software.

Ray Porter (the narrator of this one and the Martian) is a freaking treasure. Easily the best I’ve stumbled across.