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simbolos abstractos jeroglificos 1000 AC
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señales de humo 1184 AC
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celular
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el periodico
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por medio del papel y tinta
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telegrafo
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imprenta
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la radio
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el telefono
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la television
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satelite
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las redes
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la internet
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la fibra optica
Plan projects on a visual timeline
Map milestones, phases, deadlines, and key events in one place so the sequence is easier to see and share. Timetoast is a timeline maker for work, school, research, and stories.