The first commercially available smartphone was developed by IBM in 1992. It was released in 1994 as the "Simon Personal Communicator."This device ran applications that are not unlike the apps on modern smartphones: email, address book, calendar, news, etc. It foreshadowed the beginning of a mobile technological revolution.
Throughout the 1990s, Personal Digital Assistants (PDAs) were common, high-tech (for the time) computing devices that were on consumer shelves. The 2000s were a time when these computing devices had slimmer designs and more features. These were called "feature phones." They were equipped with "QWERTY" keyboards.
In 2007, Apple Inc. released the first generation iPhone, and it revolutionized the world of mobile computing. The device was multi-touch (allowing for zooming to be activated by pinch-gestures). Other touch-screen smartphones during the time needed a stylus in order to operate, and the touch screen was not the primary source of input on these phones. All computing operations were activated entirely with the touchscreen with the exception of power, home, and volume buttons. Never before did a smartphone have as much power as this one. This phone could render desktop-quality webpages and videos, which was a first for mobile devices. This innovation has come with a major cost. Other devices inspired by the iPhone (like Android phones, and later iPhone models) are the cause for a widespread health crisis in the world. No one wants to stop using these phones. (Wikipedia, 2019)
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