Until it closed in early , a McDonald's in Edina, Minnesota claimed to be the "World's Only Pneumatic Air Drive-Thru," sending food from their strip-mall location to a drive-through in the middle of a parking lot. While they are commonly used for small parcels and documents—including as cash carriers at banks or supermarkets  —they were originally proposed in the early 19th century for transport of heavy freight. Some pharmacies have unlisted tube station number s for the outbound station traffic. In , the London Pneumatic Despatch Company built a system large enough to move a person, although it was intended for parcels. The technology is still used on a smaller scale. Further, modern systems can be computer-controlled for tracking of any specific capsule and managing priority deliveries as well as system efficiency.
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