2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/186853I give a brief review of final state interactions (FSI) in heavy meson decays, paying particular attention to B-meson physics. Available theoretical methods for dealing with the effects of FSI are discussed.6 pages, no figures; invited talk at 2nd Meeting of the APS Topical Group on Hadronic Physics, Nashville, Tennesse, 22-24 Oct 2006High Energy Physics - Phenomenologytext