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You don't. It is public domain. You pay that if you want to get it from them. This is the same as I can get a free pdf of "Linear algebra done right" from She
by seanhunter 4mo ago
You don't. It is public domain. You pay that if you want to get it from them. This is the same as I can get a free pdf of "Linear algebra done right" from Sheldon Axler's website but if I want to get it from Springer I pay $50 or whatever it is.
- robertlagrant 4mo agoThat is a very confusing state of affairs!
- ChrisMarshallNY 4mo agoRepackaging and selling free data is a very old business model. In many cases, it's value-added, because the bundler may also do some curation and interpretation. Not sure that's what's happening, here, though...
- esterna 4mo agoYou can also buy licenses to use AV1, a royalty-free codec.