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Feathers, shells, beans, etc.
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Gems and precious metals.
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Introduction of money itself.
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Introduction of paper money, used together with coins and precious metals.
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Invented by Alfred Bloomingdale and Frank McNamara.
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Use of mobile phones to pay.
A list shows items. A timeline shows sequence.
Use Timetoast to make dates, milestones, and turning points easier to understand in a clear visual format. Timetoast is a timeline maker for work, school, research, and stories.