How open source changed software

Just in time for LinuxWorld Expo, I have a new article up on This time, the topic is how open source changed the software industry forever — and how the changes are still ongoing. It’s a high-level article, but it raises some interesting topics. Can the software industry remain viable when the trend is to give software away for free? My interviewees say not only is it possible, but soon open source will be the norm, rather than the exception.