Personal Communication Services. Trendy buzzword being a front for either a GSM or CDMA digital cellular network. Both are superior to dated analog technology as they consolidate many services (voice mail, numeric & text messaging, and the web) into one device. As well, short battery life is a thing of the past and the potential for tracking air time with a resolution of seconds, not minutes has been realised by many companies like Fido here in Toronto. Pretty much standard in most modern cities.