"We reviewed the ways we had to bring customers: Method A, flying aerobatics at the edge of town. Method B, the parachute jump. Then we began experimenting with Method C. There is a principle that says if you lay out a lonely solitaire game in the center of the wilderness, someone will soon come along to look over your shoulder and tell you how to play your cards. This was the principle of Method C. We unrolled our sleeping bags and stretched out under the wing, completely uncaring."