Okay, here's the million dollar question that isn't on the FAQ and no one in the audience asked. How the hell did he code it without using his hands? With help

Okay, here's the million dollar question that isn't on the FAQ and no one in the audience asked. How the hell did he code it without using his hands? With help? To his amanuensis: Slap. York. Tork. Jorb. Chomp. Or maybe he felt his hands going, and he spent the last few months of his pre-RSI existence coding this up.