Blizzard has always disclosed the location of their servers, WoW included.
We know for example which battle groups are hosted at which data centers spread out across the US.
Threats of violence. We take these seriously and will alert the proper authorities.
Posts containing personal information about other players. This includes physical addresses, e-mail addresses, phone numbers, and inappropriate photos and/or videos.
Harassing or discriminatory language. This will not be tolerated.