Once we have machines doing our high-level thinking, there’s so little need for ourselves and you can’t ever undo it – you can never turn them off. You don’t realise it’s happened until it’s there and I think that awareness of machines is getting very, very close and we’re getting close to where a machine will really understand you.

I knew it was coming. I knew it all along. Now if you’ll excuse me, I have to go plan a one-way trip to the North Pole.