"We are in no way affiliated to the discontinued Google Knol."<p>Google trademarked Knol back in the day (2007). A USPTO search shows it is still live:<p><a href="http://tmsearch.uspto.gov/bin/showfield?f=doc&state=4809:9wzrk3.2.1" rel="nofollow">http://tmsearch.uspto.gov/bin/showfield?f=doc&state=4809:9wz...</a><p><i>Electronic publishing services, namely, publication of text and graphic works of others in the field of general encyclopedic knowledge; providing education, entertainment and information services, namely, providing information via the Internet in the field of general encyclopedic knowledge.</i>