PlayStation 4 - Wikipedia
A PlayStation 4 Upgrade Is Coming, But You Won't See It at E3 | WIRED
Here's Everything We Know About the New PlayStation 4 Pro
More Than Games: Sony Playstation 4 Gets Netflix, Hulu and More
PlayStation 4 - Wikipedia
Twitch Streaming Service Coming to Sony PS4 | PCMag
There's a new PlayStation 5 coming out. Is it worth it? - Los Angeles Times
When did the PS4 come out? - Dot Esports
PlayStation 4 and PS Vita Coming to China on January 11
PlayStation Direct will no longer sell PS4 Pro, leading to speculation it could be discontinued | VGC
Sony announces new Slim PS4, will bring HDR lighting to all platforms with software update | Extremetech
When Did The PS4 Come Out? - PlayStation Universe
PS4 System Software 3.50 | Check out some of the new features coming your way - YouTube
Sony will continue making PS4 consoles throughout 2022 due to PS5 shortages | TechSpot
PlayStation 4 May Receive Support Well After PS5 Launch
Game On: PlayStation 4 will be phased out starting in 2025, and that's OK | The Spokesman-Review
PS4 Pro Launch: Features, Specs, Everything We Know
What PlayStation 4 games are coming out in the second half of 2020? - Quora
Sony confirms it will still be developing PS4 games alongside PS5
Sony's new $500 PlayStation 5 will launch Nov. 12 - WSVN 7News | Miami News, Weather, Sports | Fort Lauderdale
Sony PlayStation 4 out in 2012 – IMHO | Stuff
