Here's a good report if you're an article marketer or planning to use other's articles as content. The issue of duplicate content is a very confusing one but also one that's very important to understand.

Download the report here!

This is a good, step by step, guide for anyone interested in making money as an affiliate. In the words of the author:
With The 7-Step “Affiliate Money Machine” System, I Dare Say You Can Start From Scratch And Begin To Bank In Affiliate Commissions In As Little As 7 Days From Now!

This was the first book that made me understand what Viral Marketing was all about. Since it's a free download, everyone should read it!