presentation to record the presentation to transcribe the presentation to host the presentation it's a very very very very long time scale what learned has done is say we're gonna take some very key important topics and we are going to let you do it in four hours and we're gonna focus on those key important things and get you pushing the buttons and learning these things what's nice about this there's no video actually one of the courses had videos but they're gonna get rid of them is they can freshen them isn't like as much as once