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In 1988, Sony and Nintendo were working together to develop the Super Disc. However, Sony and Nintendo parted ways business-wise and the Super Disc was never introduced or used by Nintendo as was intended.
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Research and development for the PlayStation had began in 1990, headed by Sony engineer, Ken Kutaragi.
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In 1991, Sony used a modified version of the Super Disk as part of their new game console - the Sony PlayStation.
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The original PlayStation released in December 1994 was the first of the ubiquitous PlayStation series of console and hand-held game devices
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Released on July 7, 2000, the PS1 was a considerably smaller, redesigned version of the original PlayStation video game console.
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Released in 2000, the PlayStation 2 is part of the sixth generation of video game consoles, and is backwards-compatible with most original PlayStation games.
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In 1994, the new PlayStation X (PSX) was released that was no longer compatible with Nintendo game cartridges and only played CD-ROM based games.
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Released in 2004, the PlayStation 2 Slim line was the first major redesign of the PlayStation 2, the Slim line was smaller, thinner, quieter and also included a built-in Ethernet port.
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Released in March 2005, the PlayStation Portable (PSP) was Sony's first handheld console
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Released on November 11, 2006, the PlayStation 3 is the third and current iteration in the series.
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In 2007, Sony began shipping a revision of the Slimline which was lighter than the original Slimline together with a lighter AC adapter.
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Released in September 2007, the PSP Slim & Lite was the first major hardware revision of the PlayStation Portable.
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In 2008, Sony released yet another revision of the Slimline which had an overhauled internal design incorporating the power supply into the console itself like the original PlayStation 2 resulting in a further reduced total weight of the console.
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Released in 2009, the redesigned model of the PlayStation 3 is 33% smaller, 36% lighter, and consumes 34% to 45% less power than previous models.
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Released in October 2009, the PSP Go is the biggest redesign of the PlayStation Portable to date.
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The PlayStation Vita was officially unveiled by Sony on January 27, 2011 at the PlayStation Meeting 2011.
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On March 4, 2011, the Xperia Play was put on the market.
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In 2012, Sony revealed a new "Super Slim" PlayStation 3.
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The PlayStation 4 (PS4) is an upcoming video game console from Sony Computer Entertainment announced at a press conference on February 20, 2013.
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Released in 2009, the redesigned model of the PlayStation 3 is the only model in production.
