<p>Since the 1990s, performative art has been increasingly accepted into the cultural mainstream, becoming a familiar and popular feature of art galleries and museums, as shown by the Tate Modern's recent 'Collecting the Performative' project. As art historian Roselee Goldberg notes, 'The term "performative", used to describe the unmediated engagement of viewer and performer in art, has also crossed over into architecture, semiotics, anthropology...