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by bentlegen 721 days ago
Because those are the underlying services that the above software is built on. And they allow the system to handle both very few to many many requests/sec for basically $0. That's the point of the article.

To say, "I can run a server that can handle a bunch of requests for free" doesn't mean much. Of course you can do that. But can you replicate the aforementioned system for free? Probably not.