Once upon a time there was a man named Bob. Bob lived on a secluded island with a friend, Tom, and their wives. These four toiled from early morning until sunset, working the fertile land, planting and gathering food, just to survive.
One day, however, Bob discovered a marvelous _______ that made his labor four times more productive, so that his labor alone could easily produce enough resources to sustain all four of them.
Immediately, the unemployment rate on the island shot from 0% to 75%. Tom and his wife became extremely unhappy; they lounged about the hut all day, now aimless with their material needs met.
Their boredom became so unbearable that, one night, Tom snuck into Bob’s hut and destroyed the marvelous _______. In the morning, Bob was horrified, but Tom was satisfied that his job had been saved.