What is link exchange? How it is done for improving traffic to site?

Hi Sanjit, Link exchange is a program that draws guaranteed traffic to your site. After your sign up with it, your site automatically listed in their directory and displayed on their home page. Every link exchange members do the review the sites listed in link exchange up to 30 max.per day. In this way your site is reviewed by max. nos of members as well as visitors. In other words you get a guaranteed traffic to your site.