Google AdWords is a performance that allows advertisers to post their links sponsored web areas such as Google, AOL, Ask and other self-service advertising program.

Google AdWords, relying on a system of keywords and essentially using text, program works to the cost per click (CPC), i.e. advertisers pay only when clicking on their trade links.
The ad’s position is determined both by its (CTR, relevance) click-through rate and how much the Advertiser agrees to pay for each click (bid).

Google provides its advertisers and partners a full range of customer services and editorial designed to facilitate the ad relevance and the impact of campaigns.

Details…

Interface: web economic model: paying related products: Google AdSense, Google Referrals, Google Automat, Google Agency Toolkit, Google AdWords API, Google Audio Ads and Google Analytics, Google AdWords Editor