my first phone was 13 years old I never thought that a device like that would change your life could suddenly send messages to people who were very far from my home or country and communicate in real time with all and all I really feel that the creation cell phone is a great achievement because it connects us all with all helps you to have friends contacts with familoares people you want and some that do not haha but for my criteria the cell phone was one of the most amazing inventions in the world because thanks to it we have things comp steemit internet games videos music apps all access to de-stress