Thread:Dim1/@comment-6697950-20140311120649/@comment-6697950-20140314065559

やれやれ.

1 minute of searching (just found the topic about it on the general discussions board):

http://swordartonline.wikia.com/wiki/MediaWiki:Welcome-message-wall-user

P.S. You haven't answered 2 and 3 yet.