writes: WhatsApp, a proprietary instant messaging platform owned by Facebook and used by millions of users, is currently down according to user reports from various parts of the world. There's no official word yet on the cause but I'm among the many affected by the outages. UPDATE 5/3/17
: "Earlier today, WhatsApp users in all parts of the world were unable to access WhatsApp for a few hours. We have now fixed the issue and apologize for the inconvenience," WhatsApp said in an email late Wednesday afternoon.