>>>I've always thought it would be nice to see how many times a message has been viewed. This should be shown in the main message area up top. Maybe a number in parenthesis at the end of the subject line.
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>>We had those stats before and we removed that from the site. There have been several issues in regards to the display of those stats. It turned out that the final decision was to simply remove it all.
>
>I believe, IIRC, that your initial version showed who viewed the message. And I remember that some expressed concern about privacy issue; which makes sense. I think what Matt is saying is to show how many times a message has been viewed without showing the names or IDs. This would not invade any body's privacy.

It may still violate some privacy concerns.