First-month sales of previous consoles vs. first 24H of PS4 sales : r/PS4
What Sony's '4.2 Million PS4s Sold' Figure Actually Means - IGN
Switch vs PS4 vs Xbox One Global Lifetime Sales - November 2020
PlayStation Days of Play sale brings tons of PS4 and PS5 deals | Ars Technica
PS5 v Xbox Series X: Who will win the next-gen console race? - BBC News
PlayStation hardware and software sales decline in Q3 FY19 | by Sohrab Osati | Sony Reconsidered
PS4 vs Xbox One vs Switch Global Lifetime Sales – January 2018
Switch vs PS4 Sales Comparison – January 2021
Global PS4 console unit sales 2021 | Statista
PlayStation 4 sales hit 112.3 million worldwide, up 1.9 million in Q1 | TweakTown
Days of Play 2021 activities start today with PlayStation Player Celebration, sale kicks off May 26 – PlayStation.Blog
The Best PlayStation Deals - January 2022 - IGN
Switch vs PS4 vs Xbox One Global Lifetime Sales – March 2019
The Best PlayStation Deals - January 2022 - IGN
Switch vs PS4 vs Xbox One Global Lifetime Sales - November 2020
Playing the sales game: Do game releases actually increase console sales? - Page 3 of 4 - ExtremeTech
PlayStation 4 console and game sales decline as PS5 approaches | TechSpot
Switch vs PS4 Sales Comparison – January 2021
upcoming ps store sales Off 55% - canerofset.com
Putting the PS4's 100 million sales in context | Ars Technica
Xbox One vs PS4 vs Switch: Console and Game Sales Numbers - 2020 | Hooked On Tech
Best PlayStation deals for February 2022: PS4, PS5 | Digital Trends
Two New PS Store Sales Contain Over 1,500 PS5, PS4 Game Deals - Push Square
