GPRS (General Packet Radio Service) is global mobile data technology. More important it is a step en route to next-generation wireless, or 3G, for many networks in the US and most networks in Europe and Asia. Questions like "when can we expect European take-up of GPRS?", "what kind of roaming will the standards bodies adopt?", "what functionality will first-generation terminals provide?", or "how will GPRS change the basic business practices of GSM...