On the right side of this blog you'll now see a link titled "subscribe to blog." If you click on this, you can fill in your e-mail address and receive blog updates by e-mail.
[ADDED JAN 23: OK, so those of you who subscribed on Monday got a copy of this message in your mailboxes Tuesday morning telling you that you can subscribe.... Sort of silly. Ignore it, your subscriptions will bring more useful messages from now on...]