WITH the pace of technological change making heads spin, we tend to think of our age as the most innovative ever. We have smartphones and supercomputers, big data and nanotechnologies, gene therapy and stem-cell transplants. Governments, universities and firms together spend around $1.4 trillion a year on R&D, more than ever before.
Yet nobody recently has come up with an invention half as useful as that depicted on our cover. With its clean lines and intuitive user interface, the humble loo transformed the lives of billions of people. And it wasn’t just modern sanitation that sprang from late-19th and early-20th-century brains: they produced cars, planes, the telephone, radio and antibiotics.
To read the full, original article click on this link: Growth: The great innovation debate | The Economist
