What is clickbank?
An affiliate program for digital products, of which many are e-books or software.
There are fewer restrictions on how you market their products compared to other affiliate programs, allowing you to promote the sale of products in many ways.
You also do not need to first be approved to start
referring sales.
i signed up on Clickbank a few months ago and i earn more on clickbank compared to Adsense. i guess lots of US traffice is the key to earning a lot in Clickbank.