If you are talking about articles, one thing to remember is using different media.Don't forget that PDF is now scanable and searchable by search engines.
So, publish the same article in PDF.
Take it a step further and make the pdf article brandable.
Take it a step further, and add a link or two, to affiliate programs. Keep your sig file in tack, but allow other to brand the file with their affiliate links.
kelvin brown
www.famousinternetmarketer.com