In case you hadn't heard the word being spread out on just about every social media platform (with one notable exception), Facebook's servers crashed worldwide this morning. For about an hour, the entire global population was starved of photos of their friends' babies, cats and breakfast menu options, and so they took their frustration to Twitter.
Check out some of the reactions in the above gallery.
What did you do when the world went dark for an hour? Let us know in the comments below.
When Facebook goes down, Twitter blows up