Today’s GDC keynote presented by Sony’s Phil Harrison covered a lot of what Sony believes to be features of the Game 3.0 platform, centered mainly around the feature set that the company has laid out in the PlayStation Home service, but Harrison also talked up the downloadable content that will be available on Singstar for the PlayStation 3 and their big new game LittleBigPlanet. Some of those able to attend the event have been liveblogging the keynote, and are linked below.

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