For all that is holy DON'T DO IT! If you have a soul you won't suck one more person into this massive gaming beast.
With that said,
here's never been a better time to invite new allies to join your guild, as we've just launched the Recruit-A-Friend program. Just log in to the account-management section and click the "Recruit-A-Friend" button or go directly to this page to start sending free 10-Day trial keys to your friends. Rest assured that your valiant efforts will be rewarded: for every one of your friends who converts to a full subscription and pays for a month of game time, you will receive 30 days of free game time credited to your account!
Blackrock Spire, Battlegrounds, the coming Naxxramas Necropolis...the world of Warcraft has never been more dangerous, so you'll need all the help you can get if you want your side to prevail in the coming conflict. The time is here to recruit your allies and stand united under one banner. Good luck, and see you soon in Azeroth! Click here to Recruit-A-Friend!
The link be here.
Don't have any friends? Visit our World of Warcraft Community. If we don't befriend you we'll certainly make you at least feel loved.