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Telegraph
A telegraph uses electrical signals for human-to-human transmision of coded messages. Alexander Graham Bell, Bell invented the telegraph. Also known for inventor of the first practical telephone. -
Home Phone
Invented by Alexander Graham Bell -
Cellphone
Moterola was the first company to make handheld mobile phones. -
Smartphone
First touchscreen, made by E.A. Johnson. -
Flip Phone
Made by Moterola. Started working on it in 1989. -
IPhone
Launnched at the 79th Acadamy Awards. Made by Steve Jobs and assistants. In the company, "Apple". -
Letter
Handwritten, mailed in envelope. Took many days to weeks to ship.
