This is only temporary.... they are only down for maintenance for 12 hours because of updates in the PlayStation Store and terms of agreements
7:00PM Eastern
On 5/26/09
yes on psn and xbox 360 they can ban you for at least 5 months
No, PSN cards can be used only once. If are from a different region and you need a PSN card that belongs to a different region since you have a different region account then you can buy the PSN card from online
7 in total plus for PSN there is a remake of COD 1 called COD classic
No the PSN is down world wide
Yes
Yes, rumors are that PSN will be back online May 31 Source: Sony
It can be bought and downloaded from the PSN.
7:00PM Eastern
The Online Gamer - 2009 PSN Down 2-4 was released on: USA: 17 May 2011
On 5/26/09
11*5*7 work: 385 breaks down to 7 and 55. bring the seven down. then 55 breaks down to 11 and 5. bring those down and you get 11*5*7
Because PSN is down.
Yes, you can have a LAN (Local area network) party when the PlayStation Network PSN) is down. A LAN connection does not require Internet access, which is what the PSN relies on. As long as you have an ethernet cord and two or more PlayStation 3 systems, a LAN party is possible.
You can find the answer at the Playstation Knowledge center whenever they are down. On January 18 2013 they will be back up at 5 PM EST
The related question has more information and links to the sources of the information