2000a). The sound of many hands clapping*Tumultuous applause can transform itself into waves of synchronized clapping. Nature, 403, 849 850. * Neda, Z., Ravasz, E., Vicsek, T., Brechet, Y., & Barabasi, A. L. (2000b). Physics of the rhythmic applause. Physical Review E, 61, 6987 6992. > Semin, G. R. & Caciop