Hint: Related to gaming.
Answer: PlayStation Network
PlayStation Network, often abbreviated to PSN (and sometimes called PlayStation Online), is an online multiplayer gaming and digital media delivery service provided by Sony Computer Entertainment for use with the PlayStation 3 and PlayStation Portable video game consoles, as well as PlayStation.com. As of November 19, 2009, there are over 33 million registered PlayStation Network accounts worldwide, and an average of 5.4 million unique account sign-ins daily.