2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/112410This talk is a short review on the theoretical issues and uncertainties in the calculation of partial decay rates in inclusive B decays. The main emphasis is on charmless semileptonic decays, the B -> X(s) gamma photon spectrum, and the extraction of Vub using model-independent methods.Invited talk at "Flavour Physics and CP Violation Conference," Vancouver, 2006, 6 pages. To be published Electronic Conference Proceedings ArchiveHigh Energy Physics - Phenomenologytext