In 1967, a foot powder was elected mayor of a town in Ecuador. During municipal elections in Picoazá, an urban parish of 4,000 people on the Pacific coast, a foot deodorant company called Pulvapies offered the advertising slogan “Vote for any candidate, but if you want well-being and hygiene, vote for Pulvapies.” That’s innocent enough. But “on the eve of the election, the company distributed a leaflet the same size and color as the official voting papers, saying: ‘For Mayor: Honorable Pulvapies,'” reported the New York Times. The result was that, when the votes were counted, the foot powder had...