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AdSense
is an
advertisement serving program run by
Google. Website owners can enroll in this program to
enable text, image, and more recently, video
advertisements on their websites. These advertisements
are administered by Google and generate revenue on either a
per-click or
per-impression basis. Google is also currently
beta-testing a
cost-per-action based service
Google uses its
Internet search technology
to serve advertisements based on website content, the user's
geographical location, and other factors. Those wanting to
advertise with Google's targeted advertisement system may
enroll through
AdWords. AdSense has become
a popular method of placing advertising on a website because
the advertisements are less intrusive than most
banners, and the content of
the advertisements is often relevant to the website.
Currently,
AdSense uses
JavaScript code to
incorporate the advertisements into a participating website.
If the advertisements are included on a website that has not
yet been
crawled by the
Mediabot, AdSense will
temporarily display advertisements for charitable causes,
also known as
public service announcements
(PSAs). (The Mediabot is different from the
Googlebot, which maintains
Google's search index.)
Many
websites use AdSense to monetize their content. AdSense has
been particularly important for delivering advertising
revenue to small websites that do not have the resources for
developing advertising sales programs and salespeople. To
fill a website with advertisements that are relevant to the
topics discussed, webmasters implement a brief script on the
websites' pages. Websites that are content-rich have been
very successful with this advertising program, as noted in a
number of publisher case studies on the AdSense website.
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