Search engine marketing marketing to attract business. Search engine marketing Search engine marketing (SEM) is a form of Internet marketing that involves the promotion of websites by increasing their visibility in search engine results pages (SERPs) primarily through paid advertising. SEM may incorporate search engine optimization (SEO), which adjusts or rewrites website content and site architecture to achieve a higher ranking in search engine results pages to enhance pay per click (PPC) listings. In 2007, U.S. advertisers spent US $24.6 billion on search engine marketing. In Q2 2015, Google (73.7%) and the Yahoo/Bing (26.3%) partnership accounted for almost 100% of U.S. search engine
Search engine privacy DuckDuckGo. There have been several well publicized breaches of search engine user privacy that occurred with companies like AOL and Yahoo. For individuals interested in preserving their privacy from search engines, there are many routes available to them, such as using an anonymity software like Tor that attempts to separate the user's location and information from their search. Search engines generally have privacy policies in order to inform users about what data of theirs they may be collecting and what purposes it may be used for. While these policies may be an attempt at transparency by search engines, many people