2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/230518We will present a review of the most interesting results on rare B decays from the B Factories, based on the data collected by the BaBar and Belle detectors at asymmetric $e^+ e^-$ colliders at the center of mass energy of the $Υ(4S)$ resonance.Talk given at the 44th Rencontres de Moriond, Electroweak Interactions and Unified Theories, La Thuile Italy, March 2009, 8 pages, 1 picture, 2 tablesHigh Energy Physics - Experimenttext