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PS4 console revealed (E3 2013 Playstation 4 Sony Press Conference) HD - YouTube
E3 to Potentially Bring Updated Xbox One and PS4 Hardware | Digital Trends
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PlayStation 4 - Wikipedia
Sony says no PS4 announcement at E3 2012
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![E3 2018: Sony Announcing New PS4 Games, Release Dates Before The Show [Update] - GameSpot](https://www.gamespot.com/a/uploads/original/1552/15524586/3396296-e3-ps4.jpg "E3 2018: Sony Announcing New PS4 Games, Release Dates Before The Show [Update] - GameSpot")
E3 2018: Sony Announcing New PS4 Games, Release Dates Before The Show [Update] - GameSpot
/cdn.vox-cdn.com/uploads/chorus_image/image/55223971/vlcsnap_2017_06_12_22h21m44s032.0.png "Sony PlayStation at E3 2017: The 15 best announcements - Polygon")
Sony PlayStation at E3 2017: The 15 best announcements - Polygon
No plans for PS4 debut at E3 2012 - Sony - GameSpot
