In our current cultural moment, when the boundaries between public and private have been largely erased, Calle’s investigations are prescient.
In 1979, Sophie Calle was walking through Paris when a man caught her eye. She began to follow him; not with any particular purpose, she would later say, but simply because she could. When, by chance, she encountered him again that evening at an art opening, she learned that he was planning to travel to Venice. S...