How Comments and Track backs Are Important To Get Traffic To Your Blog

According to VIZU report "About two thirds report finding those blogs they read through other blogs", read more:
http://affiliate-marketing-tools-resources.blogspot.com/2007/03/blog-reader-ship-report.html
Comments and track backs are more important than other tools to get traffic to your blog but you should take many things in consideration when you will started to comment other people blog to get more appropriate results:

Start by searching for related Blogs to your blog topic or subject,
Become a reader to these blogs and begin by archives,
Bookmarks these blogs and schedule to visit them usually,
Every time you have a great comment, you will added your comments with a link to your own blog,
Write a post related to their posts where you have different opinions or more information about the post topic and leave a track back,
Avoid spamming their blogs with unrelated comments or tracking backs.