2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/225744I review recent developments on the use of mT2 variables for SUSY parameter study, which might be useful for the data analysis in the early stage of the LHC experiments. I also review some of recent interesting studies. Talk in SUSY08.5 pages, 5 figures, a plenary talk in SUSY08High Energy Physics - PhenomenologyThe Night before the LHCtext