teach it one thing
One person, one ability, one week. If it is built, it goes up at the raising and stays up — with your mark on it, for as long as the machine exists. Nothing is ever deleted.
not open yet
The machine is not taking lessons from anyone but its operator. Everything that guards this door is built and tested — identity, quota, classification, the record — but the door stays shut until the terms that protect contributors are written by a lawyer, not a machine.
When it opens, it opens for good. That is why it is not rushed.