Blog now under Creative Commons License
As of now all the articles on this blog are licensed under Creative Commons Attribution-ShareAlike 2.5 license. This license is similar to the GPL license for free software and lets you remix, tweak, and build upon my work even for commercial reasons, as long as you credit me and license your new creations under the identical terms. If you are also an author there are a lot of different Creative Commons licenses to choose from. Pick one and let other people clearly know (by marking your work by the famous CC mark) how they can use your work and share it on.