You forgot one main online research tool which is essential to SEO and internet marketing - keyword research
Keywords are how search engines identify the content on the page and show results. Some people say up to 90% of the traffic on the internet comes from search engines.
So how do you find out what keywords people type in to find the product/service they are looking for? Google adwords keyword tool show's you exact search numbers for various keywords.
Of course analyzing the results and competition for those keywords is tons of work but it'll get you started...
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Junior Poster in Training
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since Sep 2009