Most of Facebook’s platforms, including Instagram and WhatsApp, went down with widespread outages today. Users began reporting outages around 11 a.m. Eastern Time. The blackout of services continued for 7 hours till services began to recover around 6 p.m. Eastern.

Having to use Twitter to get their messages out, Facebook announced around 6:33 p.m.

Andy Stone, a spokesman for Facebook also tweeting out:

During this time Facebook shares fell as much as 5% wiping out nearly $6 billion of Mark Zuckerberg’s personal wealth. The mystery of what happened to Facebook is still a mystery.