At the turn of the century, with a new millennium dawning, a digital specter loomed over the horizon and haunted the imaginations of people across the globe. It was the Year 2000 Bug, or Y2K for short ...

Zachary Loeb, Purdue University assistant professor, tells NPR's Juana Summers that the real story of Y2k wasn't about computers run amok. It was about experts sounding an alarm, and fixing problems.