You can now send a "Scroll of Resurrection" to former World of Warcraft players to get them back in the game. It give many cool benefits to both the one coming back and the one who invites them. Read on....
Current subscribers can send a Scroll to anyone who previously had an account that was subscribed to WoW for at least 30 days at any point in time. By accepting, the recipient will receive a week of free game time, a free upgrade to the digital version of Cataclysm (the most recent expansion pack), a boost of any one character up to level 80 (preparing him or her for Cataclysm's content and level 85 cap), and a free transfer to the sender's realm and faction (which you'd ordinarily have to pay for). If the recipient accepts the invite and ends up resubscribing, the sender receives a special mount: the Spectral Wind Rider for Horde or the Spectral Gryphon for Alliance.
http://www.1up.com/news/lure-back-wow-subscribers-desperation (http://www.1up.com/news/lure-back-wow-subscribers-desperation)
This is all cool, the one thing that I could see the player base complaining about is the 'insta-boost' to level 80. The levelling process is there for a reason, it teaches people how to play thier classes.
Yeah, maybe. I think I'll do this to upgrade an old second account I have.