SEO companies have a dirty little secret, and it really gets on my nerves.  Most people usually sign it without giving it a second though, but the non-disclosure agreement is the secret weapon of the SEO world.  Why are they required and what purpose do they serve?  Well, I hope to shed a bit of light on what purpose I think they serve in the world of SEO, probably not the purpose most SEO companies would want you to believe. (more…)