From Jenny Holzer to the Ferguson protests, the filmmaker shares some important images ahead of her show at Ryan Lee
Galerie Nagel Draxler, Berlin, Germany
Rosler's tour of the support structures that make the fair workable – cafés, toilets, cloakrooms, security and construction – as well as the people who work there
Arratia Beer, Berlin, Germany
Algorithms, Big Data and surveillance: what’s the response, and responsibility, of art?