A lot of the argument seems to be based on the premise that a lecture is not copyrightable because it does not lie in tangible media. This seems to ignore the

A lot of the argument seems to be based on the premise that a lecture is not copyrightable because it does not lie in tangible media. This seems to ignore the common practice (at least at my University) of recording every lecture so as to make them available for students who could not attend them.