Anecdotally, I think I signed up for a MOOC back when that's what you had to do to hear Hinton's explanation of RMSProp. Of course I didn't complete it; I just

Anecdotally, I think I signed up for a MOOC back when that's what you had to do to hear Hinton's explanation of RMSProp. Of course I didn't complete it; I just fished out the bit I needed. I'm deeply dubious of these completion metrics...