The PlayStation network has been shutdown since April 20 2011. They are working round the clock rebuilding and strengthening the system and should have it back up within a week, Early May 2011. The related question will have the latest information that has been provided and will be updated as new information becomes available.
The related links from Sony explain why the network did not came up as forecast and said it will be at least a few days more
see related questionno there is not anyone yet
yes it is on playstaion network
No the network is not up yet. But on May 1 2011 Sony PlayStation network did announce that they will start bringing services back online this week. See related question
No. If you are wondering, that must mean you have a PS3. Otherwise, why would you care? So if you have a PS3, why not just go on the network and check for yourself?
No... not yet atleast :( Yes there is go to network ps3 store cost you tho
its not possible to use a broadband stick on a ps3 yet.
You have to be 18
wednesday/tomorrow/ 5/4/2011
No, it is NOT wifi compatible but ps3 is.
This all depends if you wish to use the online network. You don't need to have the internet in order to play games on your ps3. Also, if you have nonwireless internet, you can hook your ps3 up it and use the online network.
November 2006 PS3 came out. PlayStation Live has yet to come out because that is the name of Microsoft's Xbox 360 network. The PlayStation Network was launched with the PS3 on November 11 2006 according to the related Wikipedia link
After you PS3 has an internet connection you need to register and join the Playstation network