Reuven Cohen writes:
In the business world, money has long been the dominant success benchmark. A hundred years ago being a millionaire was enough, today it’s about being a billionaire. In open source software however, things are a bit different. Success  is often defined not only by how much money is made, but instead by a company or project’s level of community contribution, involvement and participation. The gold standard for this type of success has long been the Linux Operating system.
Read more at Forbes.com