https://en.wikipedia.org/wiki/History_of_the_telephone#/media/File:Actor_portraying_Alexander_Graham_Bell_in_an_AT&T_promotional_film_(1926).jpg "Mister Watson, come here, I want to see you." - this sentence was spoken by Alexander G. Bell during the first telephone conversation. Have you ever wondered what your life would be like without a telephone? Would it be possible to immediately contact a person who lives far away? How to call for help? Police, ambulance or fire brigade? It is said that one of the most valuable things in the world is information. In my opinion, information that cannot be transmitted is useless. I hope you see telephone is an amazing device.I hope that I convinced you that the phone is one of the greatest inventions of man. What's more, even though the 143rd anniversary has passed since the creation of the first phone, the development of the phone is still ongoing. Origins Do you often complain about your fate? That you still have bad...