2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/228198Overview of event-by-event studies on relativistic heavy-ion collisions is given. I focus on fluctuation measurements and on theoretical ideas which appeared experimentally fruitful.20 pages, 18 figures, presented at the Fourth Workshop on Particle Correlations and Femtoscopy (WPCF2008), Cracow, Poland, September 11-14, 2008Nuclear TheoryHigh Energy Physics - PhenomenologyNuclear Experimenttext