Truth 8. Google introduces relevance and yield

Google launched its AdWords paid-placement advertising service in 2000 and has been making continual improvements to it since that time. Although the CPCs in search advertising were initially low, they’ve risen both as the number of paid search advertisers has increased, and Google and the other engines have improved the relevance of these ads, making them worth more to advertisers.

AdWords has come a long way in just a few years. When it launched, its operation was very similar to that of Goto.com: a straight auction in which position on the SERP was influenced directly by the amount that any advertiser would pay to secure such a position. But as Google grew, became a public company, and ...

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