Currently on view at ZKM in Germany: CTRL [SPACE], a state-of-the-art survey of surveillance itself, as tackled in the fields of architecture, satellite imaging, digital and Net art, and more traditional forms. Exposed will be little-publicized history of analysis of the logic behind surveillance. Artists include Dillard + Scofidio and Julia Scher, and a nifty online component offers a preview-from-a-distance.