Hi Brankica, wow what an extensive list. As a one-month old blogger this list is overwhelming so there were four things I have noted and will look into further are stumbleupon, digg, roundups and vark. I hope to implement them soon and will keep track of the results. As for the other sources, I will come back to this post to see what other sources to use next. I am curious to know from your experience, what are the Top 10 most effective traffic sources?

Ezinearticles.com, although hit by the new Google algorithm, it is a great source of highly targeted traffic. The bounce rate of visitors I get from EZA is always less than 20%! Choosing a good keyword for an article can result in incredible amounts of traffic. I have been receiving a lot of traffic from a single well written article for a year and a half now!
A link in the comment itself may or may not be called for. I recommend only including a link of you have a post on your site that ties in nicely. If you do, you can use it to expand your comment. “By the way, I wrote a post on this topic as well over here. My conclusions were X and they seem to contradict yours; what are your thoughts?” If you aren’t able to work in a relevant post, limit your link to in your profile for the comment, where the website field sits.
Are you currently excluding all known bots and spiders in Google Analytics? If not, you may be experiencing inflated traffic metrics and not even know it. Typically, bots enter through the home page and cascade down throughout your site navigation, mimicking real user behavior. One telltale sign of bot traffic is a highly trafficked page with a high bounce rate, low conversions and a low average time on page.

Let’s say that you want to move your blog from a subdirectory URL (yourwebsiterulz.com/blog) to a subdomain (blog.yourwebsiterulz.com). Although Matt Cutts, former Google engineer, said that “they are roughly equivalent and you should basically go with whichever one is easier for you in terms of configuration, your CMSs, all that sort of stuff”, it seems that things are a bit more complicated than that. 
Beyond organic and direct traffic, you must understand the difference between all of your traffic sources and how traffic is classified. Most web analytics platforms, like Google Analytics, utilize an algorithm and flow chart based on the referring website or parameters set within the URL that determine the source of traffic. Here is a breakdown of all sources:
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