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Amazon.com: PS4 Game Console Controller - High-Performance Remote Joystick Controller for PS4 PS3 PC Console - Dual Vibration, LED Lights, Built-in Speaker, 6-Axis Sensor : Video Games
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PlayStation Now Dumping Vita, PS3, And More To Focus On PS4 And PC - GameSpot
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Spotify-Backed PlayStation Music Launches on PS3, PS4 | PCMag
Can you play PS3 games on PS4? PlayStation 4 backwards compatibility explained
PS4 Backwards Compatibility: Can You Play PS1, PS2, and PS3 Games on PS4?