Many would reply with open source or personal projects, but I will head that off by saying that not everyone does open source (for some people, 50 hours program

Many would reply with open source or personal projects, but I will head that off by saying that not everyone does open source (for some people, 50 hours programming a week is all they want to spend) and there are many who do open source in other areas and perhaps not with the same level of professionalism and expertise.