Due to high spam volume, comments to this blog are now moderated. Comments with a substantive connection to blog posts are welcome. Such comments may not appear immediately, but they will appear once approved.
Comments intended to direct readers to commercial sites, or to increase the number of links to such sites, will not be allowed. (Exceptions may be made if the comment is clearly intended to contribute to blog discussion. Commercial content will be removed at the blog owner’s discretion.)
Updated April 15, 2010