The vast majority of us do our grading in secret, in private, and thoroughly 1:1, teacher to student. And many of us even think we have to do it that way for FERPA reasons (you don't, I checked.)
Several years ago David Thomas and Patrick Lowenthal wrote Death to the Digital Dropbox: Rethinking Student Privacy and Public Performance,
which challenges the assumptions that grading has to, or even should be done this way. It's an interesting article backed by good research and real-course observation.
What does the Community think of this approach? Have you opened up your feedback to a more public forum, and if so how did it work out? If not, would you try it?