BuzzFeed made a joke about Y2K on Twitter -- but its readers had no idea what it meant

Wall Street traders, United Airlines passengers, and Wall Street Journal readers were all left pretty confused on Tuesday due to large-scale technical difficulties. 

And now, BuzzFeed readers are, too.

The digital news organisation sent out a tweet comparing the situation to Y2K, the technological glitch that some feared would paralyse the world’s computer systems at the turn of the millennium.

And a chunk of BuzzFeed’s followers had no idea what the acronym meant.

Here’s the original BuzzFeed tweet: