150 years after the publication of his most important book, Capital, Karl Marx’s works are still worth reading – but we shouldn’t jump to the conclusion that today’s economic realities are proving Marx right once and for all.

By drawing several straight lines that cross one point on a piece of paper, we arrive at one of the most fascinating mathematical theories: Committee theory not only has a number of practical applications like pattern recognition – a central branch of machine learning – but also searches for collective solutions to problems that have no familiar solution at all.