I’m sure everyone reading this has heard the debate over whether that top dog free operating system should be called “Linux” or “GNU/Linux”, but how big a contribution is GNU or Linux to that operating system?

The number of the current, freshly-released version of the Creative Commons licenses: 3.0. The total number of CC licensed works on the web at last estimate: 145 million. The percent of those that we would call “free”: 29%. The time it takes to double the number of free, Creative Commons licensed works: approximately 115 days.