What’s the best search engine optimization company? And what exactly do they offer? It seems there’s huge amount seo companies but not a lot that makes them different.

I’d like to know what sort of training and materials are required to become a search Engine Optimization/ Marketing consultant.

I’m trying to promote my website by social bookmarking the content on my site? Which social bookmarking site should I spend my time on? And does anyone have any tips on the best practices or strategies for this type of search engine optimization?