There were several comments, not all by me, and these may be of some interest. The comments were made over several days. My guess is that some of the links to the commenters no longer work. Here are the comments:
Thanks to all the commenters, and thank you for reading.
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As of October 30, 2012, I am closing comments on this post. There's been nothing but spam. A lot of it. If you want to comment, and aren't a spammer, please comment on another post. Thanks.