Google AdWords is the most popular online advertisement system till the date. You can create an account at free of cost and publish your advertisements in suitable websites according to your budget.

The AdWords is mainly popularized through Google AdSense program with many involuntary web developers created their website with variety of contents. Google finds out suitable websites for you and place your ads in appropriate place. The most attractive thing in this scheme is that you don't have to pay till a click to your advertisement occurs. Simply pay according to click throughs.

How do you feel this. Click here for a tour to AdWords.