Classified advertising is a form of advertising which is particularly common in newspapers, online and other periodicals which may be sold or distributed free of charge.
Cloaking is a black hat search engine optimization technique used by some Web sites to deliver one page to a search engine for indexing while serving an entirely different page to everyone else.
Twitter is a social networking and microblogging service that allows you answer the question, "What are you doing?" by sending short text messages 140 characters in length, called "tweets", to your friends, or "followers."
Cloaking refers to the practice of presenting different content or URLs to users and search engines. Serving up different results based on user agent may cause your site to be perceived as deceptive and removed from the Google index.
A referral link is a link that is given out to each customer who is invited to participate your referral program. This link is unique to each advocate and appears in each advocate's Sharing Page.
Mobilegeddon is part of the popular lexicon to describe Google’s updated search algorithm. It is also a wakeup call for examining the mobile traffic side of business and the importance of setting up a mobile site or a responsive website as mobile device usage surges.
White hat SEO is the implementation of strategies, and optimization techniques and tactics that completely follow search engine ethics, but focus on human audience as opposed to search engine movements.