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Alexander Graham Bell invented the telephone.
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It developed into a fully automated system
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It had a mouthpiece and an earphone
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Could be bought in different colors and had coiled cable
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Phone had electronic switch, modular cords and jacks introduced
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First mobile phone network is created
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phones are touch screen, own phone number and network provider
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.