On October 29, 1969, the first message was sent over ARPANET, the precursor to the modern internet. This momentous event marked the dawn of the digital age, forever changing communication, commerce, and culture. Join us in this episode of History Deep Dive as we explore the Cold War context that fueled the creation of ARPANET, the brilliant visionaries behind the project, and the technical challenges they overcame. Learn about the first transmission, the accidental brevity of “LO,” and how this early experiment evolved into the global internet we rely on today. We'll also dive into the ethical and philosophical implications of this technological revolution, which still shapes our connected world.