The possibility of digital product theft is high but IP tracking will deter all but the most determined. If you are an author, inventor or affiliate, setting up a digital downloadable product for sale, having no form of digital product security, is like leaving the window open to assist burglars.

E-zines have been available on the Internet for quite sometime. They can take the form of scientific journals or newsletters, which organizations hand out to their supporters or subscribers, sometimes free of charge. The most common e-zines, however, contain articles written on a wide variety of topics tailored to fit the information needs of a general audience. Some articles will contain a resource box, where a few lines of text will tell readers who the author is, what his or her research interests are, and where he or she can be contacted.

There is a lot of confusion about the differences between marketing and sales. Marketing is in fact the act of 'bringing the product to market'. Selling is about closing a sale and turning a potential buyer into a customer. Closing a sale is also called a conversion.