Now that we 'curate' even lunch, what happens to the role of the connoisseur in contemporary culture? 'Curate' has become a buzzword, applied to everything from music festivals to artisanal cheese. Inside the art world, the curator reigns supreme, acting as the face of high-profile group shows in a way that can eclipse the contributions of individual artists. At the same time, curatorial-studies programs continue to grow, and businesses are adopting curation as a means of adding value to content. Everyone, it seems, is now a curator. But what is a curator, exactly? And what does the explosive...