Short answers, pulled from the story.
Sony executive Ken Kutaragi managed one of the company's hardware engineering divisions before becoming known as The Father of the PlayStation. He developed a rival system after Nintendo broke its partnership with Sony in June 1991.
The original PlayStation released in Japan on the 3rd of December 1994 and became the first console to ship over 100 million units. By December 2003, combined shipments of the original PlayStation and its redesigned version PS One reached 102.49 million units.
The PlayStation 5 launched globally on the 12th of November 2020 using an AMD Zen 2 microarchitecture CPU manufactured on 7 nanometer process nodes. Its graphics processor utilized RDNA microarchitecture supporting real-time ray-traced rendering.
The PlayStation Portable or PSP debuted in Japan in December 2004 and March 2005 internationally as Sony's first handheld console. The Original model PSP-1000 utilized Universal Media Disc storage medium containing 32 MB internal flash memory expandable via Memory Stick PRO Duo cards.
PlayStation Network launched 2006 focusing online multiplayer gaming digital media delivery provided Sony Computer Entertainment used across PS3 PSP Vita PS4 PS5 consoles. Monthly active users exceeded 103 million December 2019.