If you submit your site to relevant categories of web directories can be very useful:

1. A non-indexed web site can get indexed by the search engines;
2. You can receive click though traffic;
3. You can achieve higher rankings on the search engine results page for keywords you are targeting.

Notice: Reciprocal links with them SUCK!

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"Being an expert isn't telling other people what you know. It's understanding what questions to ask, and flexibly applying your knowledge to the specific situation at hand. Being an expert means providing sensible, highly contextual direction." Jeff Atwood
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