Our recent paper “Comparing ab initio Density-Functional and Wave Function Theories: The Impact of Correlation on the Electronic Density and the Role of the Correlation Potential”, I. Grabowski, A. M. Teale, S. Śmiga, and R. Bartlett, J. Chem. Phys. 135, 114111 (2011). Reached No. 7 in the most downloaded articles in Journal of Chemical Physics for September.