This is so broad that it can't really be answered in an HN comment. Data science can mean a bunch of different things in different companies and even separating

This is so broad that it can't really be answered in an HN comment. Data science can mean a bunch of different things in different companies and even separating them into small and big companies isn't that useful. > Is "data science" outside large corporates just about using excel? No, certainly not just excel.