Besides cleverly managing inventory and location, Feinstein and Eisenberg credit their success to low prices and spending little of their sales on advertising--1.5% versus 3% for their peers.

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People on the ground can also use a geographical information system that displays farmer contact data, farm size and location, tree inventory and price information, which makes it easier to forecast and optimize cashew collection.

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Square Register serves as a full point-of-sale system for businesses to accept payments, track inventory, and share menu and location information.

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