The PlayStation network refers to the online features of the PS3. Every time you do anything online on your PS3 you are using the PSN. You can download content, play games online, and watch movies on the PSN.
Yes it is. The PlayStation Network does not charge to play games or use the network
No Live is a Xbox network the Playstation products use PSN or Playstation Network
Go to a retail store and purchase a Playstation Network Card
Yes when you are using the network
Use the related link to the PlayStation network Complaint Form for individuals who are violating the Code of Conduct Standards for the PlayStation Network (See related question)
Yes it is still a beta program, but it is available to use or browse if you have the Playstation Network
No the PS3 when it is connected to the Playstation Network
Download the PlayStation Network Downloader and install the software.Sign in to your PlayStation Network account.On the PlayStation Network account management site, go to the 'Devices' tab and select the 'PlayStation Systems' link on the left.
Playstation Network Cards are not free and do not use virtual money but actual money
On a Playstation, you can play games and if you have a network, you can log in the network just like a playstation 3
It means PlayStation Network and it is a site that the PlayStation games and consoles use with Playstations products online
You can't delete playstation network from a psp.