What Does It Mean that ReadUps Happens in Real Time?

You can see who's reading the same thing in real time, (who's present in the text with you), by clicking in the top nav. Sometimes people call that "presence."

So, see who's in the book with you at any moment by looking at the roster pulldown, and message people directly. You can also message the group. This stuff isn't archived for later - only people really there are part of the real-time conversation.

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