Wow, O.K., this was just brought to my attention in a comment in Sunday's post. This is a big big study of search engines and confident IDs. It is amazing how much can slip your attention in this field. So many cool things go on that it is impossible to keep of them all. This is really neat. You can find more details here. Thanks, Eric, for bringing this to my attention. I hope to speak more with you in the future.