and of course with what you probably all know is that around 2012 2013 those networks started you know beating other methods for object recognition for by a large margin largely due to the fact that the data sets we can became bigger those systems are pretty hungry in terms of data more than whatever methods people were using before and so the appearance of things like data sets like image net of you know sort of made it possible to sort of really exploit the capacity in those in those networks and then the second thing was the