Pls Rank the Following Internet Marketing Techniques

How do you rank the following free Internet marketing techniques according to efficiency in getting steady traffic to a website selling infoproducts? Something like ranking them from 1 to 5, one being the most efficient and 5 as the last one will help me a lot in completing the research I'm writing.

- forum posting
- article marketing
- link exchanges
- social networks (MySpace, FaceBook, etc.)
- having a blog with link to your site and leaving comments on other blogs

Thanks in advance.

I would be interesting in hearing feedback about this from our customers.

JD - do you have a vBulletin powered forum?

My ranking is:

- article marketing
- forum posting
- social networks (MySpace, FaceBook, etc.)
- having a blog with link to your site and leaving comments on other blogs
- link exchanges

content is king.

be warned that if you start posting "crap" on many different forums for the sole reason to generate backlinks, you'll find yourself banned quickly.

article marketing can only be "ok" if your content is completely related to the site, if you only have a fixed set of topics you can write about that don't match the site's content... I would not bother asking.

forum posting - Natural way of getting back links. Since it is not automated search engines appreciate links from good forums

- article marketing : Really good, but make sure your article is unique each time to submit to any website

- link exchanges - POOR

- social networks (MySpace, FaceBook, etc.) - Not much related to SEO, but can bring direct traffic from links posted.

- having a blog with link to your site and leaving comments on other blogs - It can help you establish yourself as an expert in your field