Everything about http
HTTP does a pretty good job staying out of everyone's way.
If you're reading this article, there's a solid chance it was delivered to you over HTTP. Even if you're reading this from an RSS reader or something. And you didn't even have to think about it!
As the popular saying goes, there are only two hard problems in computer science: caching, off-by-one errors, and getting a Rust job that isn't cryptocurrency-related.