Response is better than non-response
Plainspeak is better than jargon
Folksy is better than formal
Formal is better than sloppy
There should be one -- and preferably only one -- obvious reason you can't
respond to that email when you see it
Though you needn't _check_ your email all the time
Say what you mean, even (and especially) at the expense of awkwardness
If you don't know the answer to a question, acknowledge receipt
and forecast an answer by a specific date + time
Concise is better than verbose
Verbose is better than inaccurate
But inaccurate isn't the same as inexhaustive
If you're acting timely, honestly, and in good faith, you can't go wrong
When appreciating another person's time, showing is better than telling
But you should definitely tell too
Line breaks are one honking great idea -- let's do more of those