I wish I could talk to the person editing my document whilst they are editing it.
If there was a small icon of the person editing my document and there was an option to chat with them which could appear on the side of the document. so while they are editing, I could ask them questions and get a response straightaway, that would be great.
Sharon Crane commented
Yes, I agree - although, if there was a "pop out" option like that recently provided for chat, you could "pop out" your document, start-up a chat via the usual means, and continue.