each maurer sophisticated communication revolution to organize more sophisticated energy receipt -- regimesgs more diverse people together and the more integrated poll. i don't know if any of you happen two countries where they still have some tribe left but in all cultures the central nervous system does not extend beyond the shouting range. and that happens it is a very small playing field but when they go to script and print and electronic culture the communication allows us to broaden our central nervous system to pt christians, muslims and muslims. the extension of empathy and the process. and the 19th century when we went to the modern market economy and a nation state the first industrial revolution, print technology had empathy extend itself? to the nation state. broader boundaries of the central nervous system so america start to empathize because of the extended family and the french started to empathize with the french and so on. actually, and with the we can see evolving trajectory from blood ties to religious ties, national associations. is it a big leap forward to unimagined i