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No Hello
please don't say just hello in chat
Note that Keith could have got his answer minutes sooner, and needn't have kept Tim waiting. So despite best intentions, you're actually just making the other person wait for you to phrase your question, which is lost productivity (and kinda annoying). If you feel it's a bit brusque to simply say "Hi" and ask the question, you can still preface your message with as many pleasantries as you see fit.
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