It's best to assume that Google et al. Are not hiding anything "huge". What you see publicly is what there is. Deepmind used to be years ahead, but now they ap

It's best to assume that Google et al. Are not hiding anything "huge". What you see publicly is what there is. Deepmind used to be years ahead, but now they appear to have been, in some very important respects at least, leapfrogged by OpenAI, initially an imitator. It would be interesting to know if Deepmind have indeed squandered their lead away, and if so, why it happened.