Organic SEO (Search Engine Optimization) seems to be the buzzword these days. What is organic SEO? In its simplest explanation, organic SEO is publicity through content distribution. All your incoming links originate from content you created for your website or blog. And boy, search engines love this kind of linking structure.
Marketing through articles is organic Search Engine Optimisation. Your article and the link in your author's resource box generate incoming links from other niche websites related to yours.
Good quality original content will generate incoming links and drive targeted web traffic to your website fast. This is the kind of activity search engines love, and would in turn lead to higher web page ranking and increase in web traffic.