The basis for our modern system of communication began when Samuel Mores invented the telegraph, Alexander Graham Bell invented the telephone, and Guglielmo Marconi invented the telegraph without wires.

• 现代通信系统的起点是从萨缪尔·摩尔斯发明电报、亚历山大·格雷汉姆·贝尔发明电话、以及古格里莫·马可尼发明无线电报开始的。