Amazon recently changed the wording on their website when it comes to buying Kindle ebooks. As the screenshot above shows, they now have a disclaimer under the buy now button that says, "By placing your order, you're purchasing a license to the content and you agree to the Kindle Store Terms of Use". It also
It’s always been the case, but now there’s a law that forces them to make it clear that you’re getting a license.
Steam does the same thing, and I assume most places that sell in California do as well.