Binance is down for 12 hours according to twitter for system upgrade.
No email to the users letting us know they were shutting down.
Seems kinda abrupt. Hope it really is just maintenance.
If they got problems with servers or databases its better to dont spread panic through all users. Just imagine what will be if it was announced publicly. The most of them will want to withdrawal to another exchanges. This might cause more problems than now. Just be more patient.