The Secret Rules of Modern Living: Algorithms

I always knew that math was out to get me. Algorithms now run everything from search engines to satnavs and security data. They help us travel the world, find love and save lives. Mathematician Marcus du Sautoy tries to demystify the world of algorithms, revealing where these 2,000-year-old problem-solvers came from, how they work, and how they are now so advanced they can even program themselves.