This document discusses measuring government 2.0 initiatives. It explains that benchmarking is a policy tool used to stimulate progress. Benchmarking should reflect a vision of making government more transparent, efficient and user-oriented. The document then discusses how government 2.0 can increase civic participation through open data, visualization, and reducing information asymmetries. However, transparency alone may not generate change without attention and civic culture. The document proposes benchmarking open government data as a way to encourage more transparent and democratic societies.