Answer
Telecommunications gained immense benefits from Bardeen's invention of the transistor. Its ability to amplify and switch electrical signals revolutionized long-distance communication. By replacing vacuum tubes, transistors enabled the miniaturization of electronic devices, leading to significant advancements in telephony, data transmission, and mobile technology. The compact size, reliability, and energy efficiency of transistors transformed telecommunications, laying the foundation for the modern era of digital communication and the information age.