That weird screeching sound was basically the internet connecting. 📞💻 Before Wi-Fi and high-speed broadband became the norm, getting online meant plugging a dial-up modem into your telephone line. That iconic noise was actually two modems talking to each other and figuring out the best connection speed. A spectrogram of the dial-up handshake makes the process visible, revealing the different frequencies and tones being exchanged as the connection was established. And once you were online, your phone line was occupied. One incoming call could instantly disconnect you from the internet. 😂 👉👉Follow aiupdates.hub for daily insights that keep you ahead in AI, Tech and Robotics Credits: Bitcore #InternetHistory #DialUp #TechHistory #Technology #Nostalgia