New technical artifacts connected to the Internet constantly share, process, and storage a huge amount of data. This practice is what unifies the concept of Internet of Things ("IoT") to the concept of Big Data. With the growing dissemination of Big Data and computing techniques, technological evolution and economic pressure spread rapidly, and algorithms have become a great resource for innovation and business models. This rapid diffusion of algorithms and their increasing influence, however, have consequences for the market and for society, consequences which include questions of ethics and governance. Automated systems that turn on the lights and warm the dinner by realizing that you're returning home from work, smart bracelets and insoles that share with your friends how much you've walked or cycled during the day in the city or sensors that automatically warn farmers when an animal is sick or pregnant.