The document discusses the ethics of big data and how it relates to robotics. It defines big data as data that is large enough to raise practical concerns about its ethical use rather than just theoretical concerns. It also discusses how big data and the internet of things can provide the foundation of knowledge for robots to act upon. Finally, it discusses some of the ethical issues around big data, such as privacy, ownership of data, transparency, and ensuring fair and non-discriminatory use of people's data.