Monday, October 4 was an unfortunate day if you relied on any Facebook services for communication. For hours on Monday, Facebook, Facebook Messenger, Instagram, and WhatsApp were all to users. The issue , but it left thousands of people without access to some of the most popular internet services for much of the day.

Of course, if your go-to messaging service takes a dive, you don’t stop messaging; you find another messaging app that works. And that appears to be what a lot of people did.