One thing I really enjoy with this post is the conclusion. It doesn't try to tell you it's the only way, just that it's the way they found to fix their problem

One thing I really enjoy with this post is the conclusion. It doesn't try to tell you it's the only way, just that it's the way they found to fix their problem with the constraints they had, as it should be. Rails is easy to extend, people often forget that. Great post.