The Billion Shots™ on Instagram: "The Y2K bug, or the Millennium Bug, was a global technological crisis rooted in a simple programming shortcut where early computer systems recorded years using only the last two digits—such as “98” or “99”—to save expensive memory. As the year 2000 approached, experts feared that computers would interpret “00” as 1900 rather than 2000, potentially triggering catastrophic systemic failures in critical infrastructure like banking, air traffic control, and power gr