Google webmaster central has made a further step in helping webmaster building their path in the seo business.

Designed for starters, the seo information can be useful for any of us. You can read more from here:
Search Engine Optimization Starter Guide

Update: reading the google’s seo starter guide I’ve noticed a little paragraph about “Don’t forget about offline promotion”:

You could also send out
recurring newsletters to clients through the mail letting them know about new content on the
company’s website.

Isn’t this a similar thing to online spam, just it’s… offline?