Contextual advertising
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Contextual advertising is the term applied to advertisements appearing on websites which ads are served by automated systems based on the content of the page. Google AdSense was the first major contextual advertising program. It worked by providing webmasters with … Read More

Pay per click
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Pay per click, or PPC, is an advertising technique used on websites, advertising networks, and search engines. With search engines, pay per click advertisements are usually text ads placed near search results; when a site visitor clicks on the advertisement, … Read More