IBM Simon
2012年11月23日閲覧。 “Simon is the first smartphone. It paved the way for the ones of today by introducing touch screens to phones.”
“Buxton Collection Sampler”. CHI 2011. ACM SIGCHI. p. 6 (2011年). 2012年11月23日時点のオリジナルよりアーカイブ。2012年11月23日閲覧。 “IBM / Bell South Simon Smartphone: First shown in 1993, this was the world’s first so-called 'smart phone'.”
The $899 Prehistoric Predecessor to the iPhone (FLV) (Web video). Bloomberg. 28 June 2012. 2012年12月16日閲覧。Long before the smartphone revolution, IBM and BellSouth teamed up to build and sell the Simon Personal Communicator, a 1-pound, $899 mobile phone that ran apps and featured the first touch screen. It lasted just six months after being put on the market in the summer of 1994.