Looking for free content for your website?
Just in case you’re not aware of it, Project Gutenberg offers a huge amount of public domain content.
“Copyright for these books has expired in the United States. (They may still be copyrighted in other countries!) So anybody may make verbatim or non-verbatim copies of those works.“
Also, FirstGov lists a lot of material produced by the US government.
Might prove to be useful resources for some Adsense/YPN publishers…