Context: PlayStation Network is the unified online multiplayer gaming and digital media delivery service provided by Sony Computer Entertainment for PlayStation 3 and PlayStation Portable, announced during the 2006 PlayStation Business Briefing meeting in Tokyo. The service is always connected, free, and includes multiplayer support. The network enables online gaming, the PlayStation Store, PlayStation Home and other services. PlayStation Network uses real currency and PlayStation Network Cards as seen with the PlayStation Store and PlayStation Home.

Question: In what city did Sony hold their 2006 PlayStation Business Briefing?
Answer: Tokyo

Question: Does PlayStation Network use artificial or real currency for purchases?
Answer: real

Question: Along with being free and providing constant connectivity, what other feature does PS Network offer users?
Answer: multiplayer support

Question: PlayStation Network is only available for PS3 and what other device?
Answer: PlayStation Portable

Question: In what city did Sony hold their 2005 PlayStation Business Briefing?
Answer: Unanswerable

Question: Does PlayStation Network use artificial or real currency for picture viewing?
Answer: Unanswerable

Question: Along with being free and providing constant connectivity, what other feature does PS Network not offer users?
Answer: Unanswerable

Question: PlayStation Network is only available for PS2 and what other device?
Answer: Unanswerable

Question: PlayStation Netbook is only available for PS3 and what other device?
Answer: Unanswerable