Google Adwords is initial release on October 23, 2000 by Google, Inc. It is Google’s main advertising product and main source of revenue. In 2010, Google Adwords brought 28 billion dollar in revenues for its company. The United States Sales and Support division of Google Adwords is based in Mountain View, California, and the major secondary office is located in Ann Arbor, Michigan. The Engineering for Google Adwords is based in Mountain View, California. The Adwords offers many services such as PPC also know as pay-per-click advertising, which is an internet-advertising model, used to direct traffic to websites, where advertisers pay Google when the ad is clicked. The other services are cost-per-thousand (CPM) advertising, text, banner, and rich-media ads. Google’s text advertisement is short, consisting of one headline and two additional text lines. Over the last five years, Google has made a conscious decision to incorporate social network “user sentiment” into the “Ad Rank” algorithm that use to determine which ads show up on search engine results page.