Another comment, from a different angle on copyright or the lack thereof, snd viral marketing.
One of the most successful fundraising consultants that I know has used the lack of copyright on his site to promote himself, at http://www.raise-funds.com.
He encourages people to copy and reproduce his articles, with credit to him, as a way to promote himself. He says it has been the most successful marketing move that he has made.
His content is of high quality, so for people like myself who publish a regular newsletter, his site is a real resource. I do pass along the info, with his byline and link, and that goes out to a wider audience. He's retired now, but will answer email question, both from me and from others who email him, so again I know that I am passing along a good resource and am happy to use his content .
It's a take on viral marketing and in his case it worked because the content was excellent, and his credibility and credentials good.
Best wishes,
Sasha