2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/49584We review some recent results and open problems on four fermion physics at LEP2 and beyond5 pages, 5 figures. Invited talk given at the EPS Conference on High Energy Physics. Tampere, Finland, July 1999 - To appear in the ProceedingsHigh Energy Physics - Phenomenologytext