The three types of the SEO are:
1) White hat SEO.
2) Black hat SEO.
3) Organic SEO.

Face book is social networking site and it was help to promote the add on site. So it was used to putting add by the SEO to increase the traffic and promoting the product. This site was free, so it was very effective in on line marketing..

Benefits of the SEO:
1) Increase page rank of site.
2) Increase business.
3) Get more and more viewers.
4) Give strong visibility to the site.

SEO is search engine optimization. They are very helpful to increase the Internet marketing and increase the page rank in google. The techniques of the SEO are cheap and promoting the site and product and increase the traffic.

Tip for the beginners.
1) Update to ourself.
2) Stick to keywords.
3) Use google for searching.
4) Give unique content.
5) Provide more backlinks.