Yaro Starak has a very good blog called the Internet Business Blog. There is a bunch of good stuff, I’m still reading some stuff! I’m still reading this one: Do You Want to Run Your Own Business? Read this First!
explains a new plugin that can help affiliate bloggers create an Amazon type link that says “Customers who bought this item also bought” for your blog. That could be quite useful!
Official Google Webmaster Central Blog: Deftly dealing with duplicate content explains how Google really deals with the problem. I’ve had some success solving this, but it has had an effect on my Google Search engine traffic. I’ll be posting more later.