As you may know, I have been ta-ing a course in operating systems. We just finished covering sockets...
There's a whole slice of the internet that's public but almost impossible to search. Content on IPFS is addressed by what it is (a content hash, the CID) rather than where it is, so there's no domain to crawl, no robots.txt, and no single server to point a search engine at. If you don't already have...