Google offers the best online advertising programs on the net. If you're looking to drive traffic to your website then you need to investigate GOOGLE ADWORDS. You can use it to bid on any keyphrase under the sun and only pay for users who actually visit your site. It's customisable, flexible and easy to set up. Try it today!
If you want to make money from your website then Google offers you highly targeted advertising to display on your website or blog. Using adsense Google will only show ads on your site which are directly relevant to both your site AND the users browsing history giving Google a distinct advantage in the market. And remember, the more users click on your adverts, the more money you make!