Yesterday’s Facebook outage – which took down Facebook Messenger, Instagram, and WhatsApp as well as the main service – resulted from a mistake by the company’s own network engineers. The mistake led to all of Facebook’s services being inaccessible, with one analogy likening it to a failure in the “air traffic control” services for network traffic … We reported yesterday on the massive failure.It’s not just you: Facebook, Instagram, and WhatsApp are all currently down for users around the world. We’re seeing error messages on all three services across iOS applications as well as on the web. Users are being...