The PlayStation 2 was so popular it was produced up until the… The PlayStation 2 was so popular it was produced up until the month before the PlayStation 4 was announced.Source: Unbelievable Facts Interesting Facts Related posts:Kit Kats became so popular in Japan because of a literal… The US Air Force connected 1,760 PlayStation 3’s together to… The fresh and earthy scent that is produced when rain falls has… Kit Kats became so popular in Japan because of a literal…