Search engine marketing, (SEM), is a form of Internet marketing that seeks to promote websites by increasing their visibility in search engine result pages (SERPs) through the use of paid placement, contextual advertising, and paid inclusion. wikipedia.org

Social media marketing refers to the process of gaining traffic or attention through social media sites. wikipedia.org

Reputation management is the process of tracking an entity's actions and other entities' opinions about those actions; reporting on those actions and opinions; and reacting to that report creating a feedback loop. wikipedia.org

Moz is a software as a service (SaaS) company based in Seattle, Washington, U.S.A., that sells inbound marketing and marketing analytics software subscriptions. wikipedia.org

Search engine optimization (SEO) is the process of improving the visibility of a website or a web page in search engines via the "natural" or un-paid ("organic" or "algorithmic") search results. wikipedia.org

Content marketing is a form of marketing focused on creating, publishing and distributing content for a targeted audience online. wikipedia.org