All people do SEO

According to wikipedia: "Search engine optimization (SEO) is the process of improving the volume and quality of traffic to a web site from search engines via "natural" ("organic" or "algorithmic") search results for targeted keywords. Usually, the earlier a site is presented in the search results or the higher it "ranks", the more searchers will visit that site. SEO can also target different kinds of search, including image search, local search, and industry-specific vertical search engines."

I saw that many people started to talk about it, there are many blogs and tutorials about this subject. I was curious to see the growth of seo in google's trends.

If you'll search for SEO, you'll see this graphic:

It seems that SEO doubled the searches in the last 4 years.
The main search places were:


If you'll search for "search engine optimisation", you can see that it evolved from 2006 to 2008, with several spikes:


The main regions for this search were:


It seems that the main seo specialists live in USA, UK, India, Canada, Ireland, South Africa and New Zealand.

But Romania, Japan, Philippines are coming fast from behind. These countries must eliminate the black seo and spam.