Search Engine Optimization - "as a subset of search engine marketing seeks to improve the number and quality of visitors to a web site from "natural" ("organic" or "algorithmic") search results. The quality of visitor traffic can be measured by how often a visitor using a specific keyword leads to a desired conversion action, such as making a purchase or requesting further information. In effect, SEO is marketing by appealing first to machine algorithms to increase search engine relevance and secondly to human visitors"
What are the benefits of the high page rank?
1. Google & others search engines will respect you: that mean in the search result, the result from your site will be higher than from the others with lower page rank and it's very important to receive the new customers for your service.
2. Ad (Google Ad) on your site will be more expensive
Today i have found that corp site of my company (OBS Group) has google page rank "1". I think that it's a progress for it and for me, because it was my first SEO experience. Now, I am going to continue training on it. I am sure that expert knowledges in SEO area are very important for everyone success start-up.