. >> host: philip auerswald, you write about the current telecommunications revolutions we're all livingough and trying to understand and manage. help us. >> guest: well, okay. so first of all, we have to understand the difference between a mobile phone and a rich country. a mobile phone and most of the world. right. so before the mobile phone, only two technologies had spread as widely as the mobile phone, no technology's ever spread as rapidly as the mobile phone. the only other recent one was the radio, and arguably before that, it was fire. spread widely. what is the -- we know what mobile means and smart phones mean, but what's that mean for the majority of the world's population? well, it's the -- it's the communications highway. we built highways communication highways into places connecting people never connected before. in afghanistan, you asked about entrepreneurs, there's one named kojo for creating the after -- afghan cell phone company. we don't hear about it. why? you know, the fact that more after gaps -- afghans have more access to phones rather than reading or writing th