The essays in this overview of Roman Ondák's work call his pieces "poetic non-events," and "situations." What kind of non-events exactly? A while ago he parked some vintage Slovak Skodas, with old plates, outside a gallery. Lately he's been giving away chocolate bars, asking the recipients to make something from the wrappers, and exhibiting the resulting works by the hundreds. Includes an interview by Hans Ulrich Obrist.