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In 1861 Cadbury came up with the idea of stuffing his firm’s wares into a heart-shaped box to flog in the run-up to February 14th. https://www.economist.com/1843/2021/02/08/valentines-day-how-chocolate-became-the-food-of-love
In 1861 Cadbury came up with the idea of stuffing his firm’s wares into a heart-shaped box to flog in the run-up to February 14th. https://www.economist.com/1843/2021/02/08/valentines-day-how-chocolate-became-the-food-of-love