> Permission to link to a document is explicitly granted by the act of publication.
No one thought that you needed permission to cite someone else's work before the intertubes.
A link is an actionable citation, but the action is under the complete control of linked-to site which presumably owns relevant rights to the document in question.
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On a semi-related note, one of the interesting parts of the Xanadu rule set was this:
Permission to link to a document is explicitly granted by the act of publication.
> Permission to link to a document is explicitly granted by the act of publication.
No one thought that you needed permission to cite someone else's work before the intertubes.
A link is an actionable citation, but the action is under the complete control of linked-to site which presumably owns relevant rights to the document in question.