"Machines can only learn from things that are in digital form,so unless something is in noughts and ones, they can’t learn from it. Think about all the experiences you have learnt from that are not digitised – things that have gone well or not so well that are not accessible to machines. There is so much that machines don’t know. They have harvested a lot of data but there’s a lot of knowledge and life experience that’s within us all – but not on the web."