Python is used in a wide variety of settings. Somewhat surprisingly, it’s becoming particularly popular for “big data” analysis, looking for trends and correlations in large data sets. In this talk, Ville Tuulos describes his company’s uses of Python in big-data analysis. He compares different techniques and technologies that can be applied to big data, and talks about how (and why) his company uses Python, which is often seen as a slow language — not appropriate or such large data sets.