We are now looking back at over 20 years of social reflection on nanotechnology. Gaining legitimate trust is vital for the nanotechnology community. That is why nanotechnologists engage in public discussions, social engagement, and interdisciplinary nanoethical research. Ensuring safety is an important element in ensuring trust. The transformative potential of nanotechnology, however, becomes apparent in its convergence with other emerging technologies. The notion of converging technologies helps to explore this potential. It opens a new perspective for nanoethics and helps to identify societal challenges that need to be on the agenda of societies. The ethical issues raised by nanobiology, nanomedicine, and nanoelectronics illustrate these ...