It takes a minimum of 3-4 and some 6-7years to do the Knowledge and become a black cab driver .. if you have a criminal record thats not spent , your not allowed to apply.. apparently its been likened to doing a degree.. dont ever live with someone doing it .. i know ,my dad was one..... anyway so now these UBER drivers who havent done the knowledge , and have done no training , just gone out hired a car , bought a sat nav and are now allowed to go out and nick the real cabbies work .. how the hell is this allowed... opinions please....