Martin Zwilling wrote back Thanks for the note. I have added a credit link at the end, and an apology note as a comment to the blog following yours.

Martin Zwilling wrote back Thanks for the note. I have added a credit link at the end, and an apology note as a comment to the blog following yours. I’ll be more diligent on this in the future He also added a postscript to the post this afternoon P.S. I would like to give credit to an October 2005 essay by Paul Graham for a couple of the ideas above, at http://www.paulgraham.com/ideas.html