On the Oracle Tech Network, a nice reminder of the still-"new"-to-some hash-based containers, co-authored by the chair of the U.S. C++ standards committee:
by Steve Clamage and Darryl Gove
From the article:
One of the areas in the new C++ standard that has seen the most enhancement is the Standard Library. The functionality that is most likely to be immediately useful to developers is the additions to the container classes. This article describes the new set and map containers.