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The first mobile phone to incorporate PDA features was an IBM prototype developed in 1992 and demonstrated that year at the COMDEX computer industry trade show. It included PDA features and other visionary mobile applications such as maps, stock reports and news. A refined version was marketed to consumers in 1994 by BellSouth under the name Simon Personal Communicator. The Simon was the first commercially available device that could be properly referred to as a "smartphone", although it was not called that in 1994.[11][12][13] In addition to placing and receiving cellular calls, Simon could send and receive faxes and emails and included an address book, calendar, appointment scheduler, calculator, world time clock and notepad, utilizing its touch screen display.[14] The term "smart phone" appeared in print as early as 1995, describing AT&T's PhoneWriter Communicator.