Hi i am Arif mahmud from bangladesh . I am off page seo professional . I can efficiently do social bookmarking, forum posting , blog commenting, article spinning , rss submission , back linking , answer posting , directory submission , comment posting. I do a short course for off page seo in a outsourcing institute . Form that institute i can learn strongly how to do on off page seo . After my training i work there three month that help me to develop my knowledge about off page seo . I specially do there social bookmarking, forum posting , blog commenting, article spinning , rss submission , back linking , answer posting , directory submission , comment posting.