The past year or so has seen a headlong rush around the world towards simple messaging applications. Facebook’s purchase of WhatsApp shows it cannot ignore the rise not only of that service but also of others including WeChat, Line, Viber, and Kik. These services are beginning to play the role that Facebook has mostly played around the world–default mobile app for communication. Their simplicity is their strength. While Facebook is not as existentially threatened as this excellent Buzzfeed article suggests, it’s a worthy read if you want to understand the macro context in which Mark Zuckerberg felt he had no choice but to act.