"Application Offline for Maintenance" at 3:40 PM PST.

Edit 1: And at 3:41 PM its up. Spoke too soon.

Edit 2: And its back to a screeching halt at 3:42 PM.

Edit 3: Ups and downs. Works for 1-2 minutes and then breaks. 4:15 pm. I still haven't managed to read a whole lesson. Its a slow day so I'll check again in half an hour.