The world didn’t end. The lights stayed on, airplanes remained in the sky, and when the clock struck midnight on January 1, 2000, the world’s computerized systems were properly primed to handle the roll over from years that started with “19” and years that started with “2.” Not that the 365 days that followed needed…
Source: Kotaku – Metallica sues, chads hang, and Survivors survive: 19 pop culture windows into 2000