Initial conditions for hydrodynamics: implications for phenomenology

It is shown how the initial azimuthally asymmetric flow develops from the free-streaming + sudden equilibration approximation to the early dynamics in relativistic heavy-ion collisions. Consequences for the hydrodynamics and physical results are discussed.
6 pages, 4 figures, talk presented by WB at the IV Workshop on Particle Correlations and Femtoscopy, Cracow, 11-14 September 2008