Okay, so i was browsing the forum and I couldn't find the most basic and knowledge about SEO

so here I wanted to create one, lets discuss about it and have some ideas!

Methods of SEO:

- article submissions

- comment on blogs

- classified ads

- directory listings

- link exchange

- forum posting

- press release

- social groups - facebook, linkedin, etc

- social bookmarking

can anyone explain in dept how are they useful and any ideas how to get started with the methods?