It has always surprised me that with a fairly large readership at SF, the comments are scarce.Today one of my students provided an explanation. He asked if I accepted comments on SF. SF has always accepted comments, but the comment link was obscured in some less valuable links. So today I have cleaned up the footer in each blog post to make it easier to post comments, as shown below.
Comment ^
Let me know in the comments if this makes it clearer.