Vegetable sales went up 250 per cent in a Japanese supermarket where tomatoes, broccoli and corncobs talked to the clients. When touched the veggies gave their own traceability information in the voice of the farmers that grew them.

The in-store promotion tool called ‘Talkable vegetables’, developed by advertising agency Hakuhodo and a specialized lab, makes use of the voltage differential between the moist of human hands and the vegetables. Touching a tomato works as switch that sets of an audio signal.

The tool was used to inform customers on the produce’s safety and trustworthiness, and the environmental and other farming values under which the vegetables were grown.

The surprise of providing this information by the products themselves helped boost vegetable sales just as surprisingly.

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