The person who owns the URL on the paper can change the contents of that URL. Legally, the paper may be a gift, but I'm now the proud owner of a piece of paper.
I can similarly own a map to the Mona Lisa. Everyone in the world may even agree and attest to that fact! I don't own the Mona Lisa as a result. The Louvre can move it, take it off display, burn down, or do any number of other things.
The person who owns the URL on the paper can change the contents of that URL. Legally, the paper may be a gift, but I'm now the proud owner of a piece of paper.
I can similarly own a map to the Mona Lisa. Everyone in the world may even agree and attest to that fact! I don't own the Mona Lisa as a result. The Louvre can move it, take it off display, burn down, or do any number of other things.