Paid Per Click ( PPC ) is an unique affiliate business. We get paid when an advertisement link in our website is clicked by the visitors. There are some companies that willing to pay if their advertisement at our website is clicked by the visitors.
Google is the Giant of the PPC program. Google has so many publisher that willing to set some free space at their website, so they can insert Google Adsense advertisement to that free space. This PPC program works like this :
Companies => pay ads promotion to Google => Google spread the ads to its publisher => When the ads is clicked by the visitors => Google pays the commission to the publisher.
The reason why this program is so popular because if our website has a large traffic per month, that means a big opportunities for the company which buy the promotion from Google is visited by our website visitors and that means a big opportunities that the visitors buy the product that is sold by the company.
Google is famous with its program Google Adword & Google Adsense. Besides Google, there are still many PPC Company such as Bidvertiser, Indian Ads, Kontera, Chitika, etc which provide the same service as Google.

