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Valve runs its massive PC gaming ecosystem with only about 350 employees
(arstechnica.com)
This is a most excellent place for technology news and articles.
That's kind of why they are successful though, right? They were the ones that figured out how to supply games digitally for a profit, which required a way to prevent people from sharing the product for free. This was previously done with CD keys, but the advent of the internet rendered that mostly ineffective.
I think publishers value the fact that steam is essentially a form of DRM, so we got fairly lucky all things considered. Imagine if steam didn't exist and we had to deal with software like Uplay and Origin.
Imagine if securom was everywhere again.