  Density functional theory (DFT) is an incredible success story. The low
computational cost, combined with useful (but not yet chemical) accuracy, has
made DFT a standard technique in most branches of chemistry and materials
science. Electronic structure problems in a dazzling variety of fields are
currently being tackled. However, DFT has many limitations in its present form:
Too many approximations, failures for strongly correlated systems, too slow for
liquids, etc. This perspective reviews some recent progress and ongoing
challenges.
