The first known large-scale non-commercial spam message was sent on 18 January 1994 by an Andrews University system administrator, by cross-posting a religious message to all USENET newsgroups. In January 1994 Mark Eberra started the first email marketing company for opt in email list under the domain Insideconnect.com. He also started the Direct Email Marketing Association to help stop unwanted email and prevent spam.  
However, if you're going to understand online marketing, you have to understand the importance of building Google's trust. There are three core components involved here. These three core components are like the pillars of trust that comprise all of Google's 200+ ranking factor rules. Each of those rules can be categorized and cataloged into one of these three pillars of trust. If you want to rank on the first page or in the first spot, you need to focus on all three, and not just one or two out of three.
I loved the landing page idea. This would be very effective in one case ONLY. If you are promoting a product or a an eBook this would work very fine OR increasing an Email list by offering something for FREE. You know in this life “Nothing is for FREE”. So you are giving your visitor for an example “A guide to how to install a blog template in wordpress or blogger” or “how to monetize your blog?” a FREE guide will drive this visitor to type his email and hit the subscribe button right away. But if the visitor a PayPal Button he just click the MAGIC X button on the top of his browser. Landing pages are very effective when you know how to use them.
Sponsored search (also called sponsored links, search ads, or paid search) allows advertisers to be included in the sponsored results of a search for selected keywords. Search ads are often sold via real-time auctions, where advertisers bid on keywords.:118 In addition to setting a maximum price per keyword, bids may include time, language, geographical, and other constraints.:118 Search engines originally sold listings in order of highest bids.:119 Modern search engines rank sponsored listings based on a combination of bid price, expected click-through rate, keyword relevancy and site quality.
He is the co-founder of Neil Patel Digital. The Wall Street Journal calls him a top influencer on the web, Forbes says he is one of the top 10 marketers, and Entrepreneur Magazine says he created one of the 100 most brilliant companies. Neil is a New York Times bestselling author and was recognized as a top 100 entrepreneur under the age of 30 by President Obama and a top 100 entrepreneur under the age of 35 by the United Nations.