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'''PlayStation Network''' (PSN) is the online service used by PlayStation consoles starting from [[PS3]]. During the development stage for the PlayStation 3, Sony expressed their intent to build upon the [[PlayStation_2_emulators#Network_Adapter|functionality of its predecessor]] by creating a new interconnected service that keeps users constantly in touch with a "PlayStation World" network. In March 2006, Sony officially introduced its unified online service, tentatively named "PlayStation Network Platform". A list of supporting features was announced at the Tokyo Game Show later the same year.<ref>[[Wikipedia:PlayStation_Network#History|PlayStation Network History]]</ref>

==PlayStation 3==