What are the best way to get organic backlinks?

Philippines
January 19, 2013 1:17pm CST
I've been doing some research about search engine optimizations and I read that the cheapest but one of the most effective way to get high ranks on search engines is thru organic backlinks. I really don't have much idea about this stuff so can somebody tell me how to generate it? What are the best tools to use, and other useful techniques to get that? Any valuable information will be great help. :)
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