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CHALKBOARD SLATES AND BOOK WAS USED
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THE RADIO AND FILM STRIP PROJECTOR AND OVERHEAD STARTED TO BE USED
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appear more gadgets like televition and VHS tape and audio tape
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they created the first board interactive
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a lot of people could interactive between each other .
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the childhood could interactived physically with gadgets
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.