We've known for a long time that quality matters to Google. In a post Senior Google Engineer Matt Cutts made to his blog, "quality" was mentioned several times as being important to Google. Quality matters when it comes to content, and it matters when it comes to links.

However, building content and links doesn't have to be painful. Web site owners tend to think of content in a very limited way. So, let's open up our creative minds and think of all sorts of ways of adding quality content to a Web site.