before_sent:  Discovery Driven Planning . Harvard Business Review, 73(4): 4454 and subsequently referenced in a number of books and articles.
before_sent_with_intent: <fluency>  Discovery Driven Planning . Harvard Business Review, 73(4): 4454 and subsequently referenced in a number of books and articles.
after_sent:  Discovery Driven Planning . Harvard Business Review, 73(4): 4454. and subsequently referenced in a number of books and articles.