Popular affiliate programs include Amazon Associates, ClickBank, LinkShare and Google Affiliate Networks. These programs work via blogs, websites or social networking sites and provide an easy way for marketers and bloggers to earn money online.
Amazon Associates allows affiliates to promote products sold on the Amazon.com online store and earn a commission on each sale. The program has a wide range of products, allowing affiliates to choose what they want to promote.
ClickBank is an affiliate network for digital products such as software and e-books. The Google Affiliate Network promotes products, companies and websites. When an affiliate opens a Google AdSense account and uses it to post ads on websites and blogs, he earns a commission whenever anyone clicks on these ads.