Research on ransomware, its scale, who it affects, and how much money it makes: https://blog.acolyer.org/2019/10/16/ransomware/
miniblog.
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Woah, the median price of a .sexy domain is over $2,000! https://tld-list.com/tld/sexy
I like the emacs.sexy website, but that's a big chunk of money. The tld-list link above suggests that it's possible to buy these domains for more conventional prices.
I'm fascinated to learn that there's a black market for GitHub stars: https://dagster.io/blog/fake-stars
E.g. they can be financially valuable if you're trying to raise money for your start-up.
There seem to be three ways to get a fix or feature added to an OSS project:
1: Contribute enthusiasm and camaraderie
2: Contribute and discuss patches
3: Contribute money
The amount required of each hugely depends on the work required.