Imagine waking up to a world where your morning routine instantly breaks. You reach for your phone, but your feeds won’t refresh. You try to check the news, but your browser returns a stark blank screen. Your smart home devices are unresponsive, credit card readers at the local coffee shop are dead, and GPS won't load your commute. It sounds like the premise of a sci-fi thriller, but it raises a genuine question: What would actually happen if the global internet vanished overnight?...