I wanted to review the different possibilities of getting traffic:

Let’s differentiate between paid traffic and free traffic and see:

Simply comment on this post with new sources

I / Free Traffic :

Natural search engine rankings: depending on your efforts and time it might not really be free as your time is also money

- Backlinks from:
        Writing articles
        Publishing press release
        Blog comments with your link
        Social bookmarking tags linking back to your site
        Videos posted on youtube or else
        Squidoo lens
        Social networking profile on facebooks or Myspace
        Viral Pdf with your links in it
        Viral software distributed as free shareware (toolbars, screen savers, et… with your links)
        Viral powerpoint presentation (slideshare.net)
        Free Classified ads
        Free links exchanges between webmasters
        RSS feeds submited to directories
        Submission to directories
        Submission to search engines

II / PAID TRAFFIC

        Pay per Click Search engines
        - Google adwords
        - Yahoo search marketing
        - Msn
        - Miva
        - Mirago
        - Clicksor
        - Findwhat
        - Looksmart
        - Adbrite
        - 7 search

        Banner Advertising
        - Tribal fusion
        - Value Click
        - Traffic swarm

        Conceptual (Adware, pop ups)
        - Zango
        - Media traffic

        Ezines & Newsletter paying Ads

        - Ezinesarticle.com

        Paid Backlinks
        Paid Press releases
        Paid inclusions
        Paid classified ads
        Expired traffic redirection (you get to buy the domain names or subscribe)
        Blog linking farms (article underground)