…the [USPS] has a unique asset that could allow it to make money by collecting valuable data that would contribute to the country’s safety and economic health: its far-reaching network of trucks. The service’s thousands of delivery vehicles have only one purpose now: to transport mail. But what if they were fitted with sensors to collect and transmit information about weather or air pollutants? The trucks would go from being bulky tools of industrial-age communication to being on the cutting edge of 21st-century information-gathering and forecasting.