Writing articles and submitting them to free content directories creates incoming links to your website and can increase your rankings on search engines.

These content directories are a way for website and enewsletter publishers to get some free content as well.

Dr. Ralph F. Wilson, released in his latest newsletter the Top 25 Article Submission and Free Content Directories ranked by Alexa and Page Rank.

He talks about how these free directories make money and how submitting your article can increase your website traffic.