A large part of the challenge we face as a society is the make or buy principle. When jobs change due to a revolution, the question is always whether you will retrain and train employees, or let them go, and look for new employees. Mark has a clear preference for retraining and training but indicates that the solution is actually one step earlier. “We are not sure which jobs are going to disappear,” says Mark, but it is certain that jobs are going to disappear. For example, if we change our education system now, we will soon reap the benefits and retraining becomes part of the work system.