Sony's Chief Financial Officer, Masaru Kato, has said that work on the PS4 is ``already under way''.
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PlayStation 4 is already under way
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Sony reshuffles management at games unit
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Hedge fund Billionaire Daniel Loeb says Sony reminds him of Yahoo
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Konami working on Pro Evolution Soccer for Vita
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Sony sells another building:
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Sony sticks to forecast for big losses
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SEGA japan working on new RPG ???
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Sony, Ericsson may inject cash into joint venture
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Sony reports another loss
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Sony to continue investments in Turkey :
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Porsche says close to reaching deal with Qatar
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Sony to donate 300 million Yen to the relief effort in Japan
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PlayStation Network hack, down time may cost Sony billions
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Tech expert claims ps Move is more precise than Kinect
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Sony begins to restore PlayStation network
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Halo 4 has been in development for two years
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PC games need investment to succeed - Taylor