PlayStation 4 to sell at a loss, but Sony expects profit - CNET

PlayStation 4 Game Sales Almost Double During COVID-19

PS5: 13.4 Million Units Sold Globally

PlayStation 4's quick start boosts Sony quarterly revenue - CNET

Case Studies - Stephen Kinsella

Sony Profit Forecast Reaches Record Levels Due to Playstation 4 Popularity

Phil Spencer: Sony Wants To 'Make Xbox Smaller' To Protect PlayStation's Dominance

Sony's PlayStation 4 continues to soar with 20M sold - CNET

Techmeme: Sony is closing its failed PlayStation Mobile platform (Sam Byford/The Verge)

The PS5 is selling less quickly than the PS4 and Sony is losing

Sony's Shawn Layden wants fewer, bigger PlayStation games

The Most Eye-Opening Moments From Epic's Court Battle With Apple So Far