ZDNet UK - News - Google factors clicks into AdWords
by Matt Hines
...Google on Thursday added three new features to AdWorks, most notably a conversion tracking tool that lets customers measure how effective their paid links have been in generating site traffic and online transactions. Other upgrades included expanded matching functionality -- allowing advertisers to cash in on keyword searches related to the terms they have paid for -- and a lowered click-through threshold, meant to protect certain ads from the perception that they are less relevant than they might actually be. All three features are free to Google's estimated 150,000 AdWords customers...
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