http://blogs.msdn.com/pranavwagh/archive/2009/06/10/so-do-you-really-know-the-difference-try-blindsearch.aspxI haven’t seen the algorithm to generate three anonymous columns, but if it’s using random numbers, I’d not call it blind search, I’d call it double blind   search engine perception, experience and search experiment or DBSEPESE; Hey! I coined anen-USCommunityServer 2.1 SP1 (Build: 61025.2)