This text in this "Home Page" space could explain calendar features.
An embedded image could replace the need for a link to a downloadable PDF of instructions.
Link to SharePoint information could be included for faculty.
When RSS becomes available, additional information would appear on this page as well.
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Notes
How best to present keyword filtering of events to authors?
What would be most useful in short term?
In longer term?
What would be clearest for student users?