 glitch that was supposed to happen. Remember 1999 clicking over to 2000? They thought there was going to be a huge glitch that was forecast, was supposed to cause chaos. You know, 1999 to 2000 never happened. But back then, we were told of all these horrors that awaited us in Y2K, even wondering if we're all going to plunge back to the dark ages. Well, the CrowdStrike software triggered global IT outage.