For the time being, the touted 4G service will come courtesy of Clearwire's WiMAX network, but FreedomPop says it will switch to Sprint's LTE spectrum sometime in early 2013.
And new innovations such as printed circuit technology and the white space radio spectrum (transmitting data over unused TV channel airwaves as we switch from analogue to digital TV) are all helping to create a world where everything can talk to everything else, and everything to us.