Apparently, we have to say something about what we do from time to time. Over the years, I have taught many different courses at the George Washington University on many different subjects that have shared a common methodology, a common set of ideas, a common approach to the world. This is a blog for students and former students of those common ideas to keep in touch with me, to share their thoughts, to contribute their thoughts. I will update it weekly or as events demand.
If any of you are looking at the Blog, and there may be a few of you though empirical evidence does little to support that claim, you will find that the Difficult and Obscure blog has been moved. It is now at dando.dagrier.net.
If you are reading this blog and you are finding that makes some sense to you, then you shouldn't need to read this page. For you DAG is a professor at the George Washington University named David Alan Grier and is not the actor of the same name. If you want to get in touch with him again, you can email grier at the usual gwu address. He also maintains the professional blog, The Known World at the Computer Society.