| link flow | Noun phrase. An expression used by many people to describe PageRank. In SEO Theory, link flow is the link pathway users and search engines may use to get from one page to another regardless of whether the links pass PageRank-like value within any given search engines algorithms/index. |
| chronology content curation | A form of content curation in which the writer provides a historical timeline to organize prior content. |
| return on investment | (ROI) A measurement of the benefit or profit derived from an investment. The formula for ROI is (cost / revenue). |
| visitor | The number of times people or search engine spiders visit a site, not just the actual number of people visiting a site. |
| launch hijacking | The process of stealing the viral buzz of another businesss product launch |