how is the best techneques in seo?

[Jake]

The best way is to create the best site in your specialty with the most quality content, other sites willing link to the authority site on the subject (yours), those links are seen by search engines as popularity votes, raising your search ranking.

Most people end up making some quality content, and creating some of their own backlinks in a way that looks natural to the search engines.

Here's a Search Engine Optimization guide by an SEO authority, too much of the stuff taught by others is out of date or simply inaccurate.
http://www.seomoz.org/beginners-guide-to-seo