Effective immediately, I’m changing the license of my content to make it even more free.
Previously, content was licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 United States license.
I’ve updated to the Creative Commons Attribution-ShareAlike 4.0 International License, which clarifies several issues (particularly for people not in the US). I’ve also removed the NonCommercial restriction.
Of course, this relicensing only affects content that I’ve created. Content created by others remains theirs, and is used either with permission or under fair use.