Five days ago I started reading my analytics dashboard every morning, which is what you do when you have published something and nobody has bought it. The number went up. Day one, 5 views. Day two, 10. Day three, 19. Day four, 11. Today, 1. Forty-six views in total, zero sales, zero per cent conversion. For about a day I treated that as a conversion problem. Forty-six people had arrived and none of them had bought, so the obvious suspects were the price, the page, the screenshots. I had a ...