You are being watched: update of ‘self-documenting’ work puts San Francisco visitors under surveillance

A time-based “self-documenting” surveillance work by the US artist Julia Scher that “gobbles up” previous iterations of itself is due to go on show at the San Francisco Museum of Modern Art when the institution’s newly expanded building reopens in May. The artist is working, with the support of curators and conservators, on a third iteration of the media work Predictive Engineering, which uses surveillance cameras and microphones to monitor visitors’ movement