PlayStation 2 the most-played console in June

More than 68 million people played video games on a console last month, spending much of it on Sony Corp.’s older PlayStation 2, according to Nielsen research.
This is additional taxonomy that helps us with analytics

History of video game consoles - Wikipedia

PlayStation 2, Video Game Sales Wiki

Midnight Club: Street Racing - PlayStation 2 : Playstation 2: Video Games

SCPH-39001 PS2 project introduction - William Quade

Anyone knew about this? : r/needforspeed

Inside the Lucrative World of Console Resellers

Nintendo video game consoles - Wikipedia

16 Interesting PlayStation Facts and Statistics Worth Reading

The Best-Selling Video Game Consoles of All Time - IGN

The 10 Best Selling Game Consoles Of All Time, Ranked