Sony: PS3 and PS4 cross-play is 'technically possible' (update) - Polygon

Why is the next generation of consoles coming out so quickly? - Quora

Japanese Charts: Switch Sales Remain Strong As Next-Gen Systems Hit The Market

PS4 will not support media servers, DLNA functionality - Polygon

Which Is Better: Xbox One or PlayStation 4?

Polygon: PlayStation Plus gave out more than $1,500 in free games. Were they worth it? : r/PlayStationPlus

Why does the graphics improvement from console generation to console generation seem to be improving less? I can barely tell the difference between PS4 and PS3 and PS5 and PS4 in terms

PlayStation 4 Fortnite players blocked from playing on Switch

The 17 best games in PlayStation Plus' Game Catalog (June 2022) - Polygon : r/PS5

PlayStation 4 - Wikipedia

Warframe developers weighing up potential for cross-platform gameplay on PS4 and PC - Polygon

PlayStation congratulating Xbox on Twitter. : r/xboxone

PlayStation 4: Your questions answered ahead of launch - Polygon