Sony Computer Entertainment has announced that the cumulative number of registered accounts on PlayStation Network has exceeded 20 million as of February 20, 2009.
The PlayStation Network launched on November 11, 2006 and reached five million registered users in one year and two months, 10 million in one year and ten months and exceeded 20 million in two years and three months.
PSN is a free service for the PS3 and PSP and is also accessible on a PC. Users in over 55 countries are currently able to access the service.
SCE also announced that PlayStation Home, which launched in December 2008, has seen its users expand to over four million in less than two months.