When people first started developing tools every detail had a purpose or hidden feature. Nothing was created by accident or pointlessly. From coins to lollipop sticks: every detail that might seem meaningless actually serves its secret purpose. For example, take a look at the eggs you cook every day. The digits you might have noticed actually have a meaning. They can tell you about the country of production, and whether the egg is organic or not. How about some more curious secrets of everyday objects?

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