What were the key milestones in the development of communication technology?

Several key milestones have marked the evolution of communication technology. The printing press, invented in the 15th century, democratized access to information by making books and newspapers more widely available. The telegraph, introduced in the 1830s, allowed for the rapid transmission of messages over vast distances using Morse code. The invention of the telephone in 1876 by Alexander Graham Bell transformed personal and business communication by enabling real-time voice conversations. The early 20th century saw the rise of radio, which brought news and entertainment into homes globally. Finally, the development of the Internet in the late 20th century connected the world digitally, enabling instant communication and access to an immense amount of information.