Well, they HAD very quick results in a certain period of time, the author explains it in detail on slides 20-30. But the point I take from that story is that t

Well, they HAD very quick results in a certain period of time, the author explains it in detail on slides 20-30. But the point I take from that story is that the surge in growth didn't happen because they were working directly in a shortcut. Rather, there was a lot of hard work going on, with multiple tactics being tested at the same time, and the quick results were a direct output of that approach.