Blizzard is offering, via email, select inactive accounts the chance to return to the game with free seven days worth of game time. These emails are what appears to be a special unannounced promotion for those that have left Azeroth, coinciding with the five year anniversary of WoW.

We can confirm these emails are legitimate, the links and headers all point back to blizzard.com servers. And indeed a blue over in the Customer Service forums has more or less confirmed that it's legit.

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