Open Source Software Primer

"The goal of this paper is to help the reader gain a basic understanding of the differences between open source and commercial software in terms of some of the practical implications of each and some of the broader issues that software developers, governments and commercial enterprises might want to consider in terms of their own policies and acquisition activities, all bearing in mind not only the immediate costs and benefits, but also the longer range implications of how their decisions today will affect their economies and their standing in the world technology market tomorrow."

Via this I/P Updates post.