5th place: Robotics. Better sensors and software are making robots more powerful and, in future, cheaper. They can automate more and more tasks, whether in industrial production, for medical purposes or when preparing food. This development brings cost benefits to industry, but according to McKinsey, it also puts jobs at risk. The economic value ranges from 1.7 to 4.5 trillion US dollars in 2025. People with amputated limbs can hope for affordable prostheses.