Back when I played Everquest, this was something I loved when they had finally implemented - Everquest Instant Messenger. You didn't have to be in the game to talk to your guild, or anyone on your friends list. It was great for logging in from work and finding out what guild activities were going on for the night, or just chatting with friends when you were bored but couldn't access the game.
WoW Finally Adding Remote Chat
The WoW Remote app is officially free. Currently, with the Remote Auction House, if you go with the free version, you can't claim your gold or create/relist auctions. For $2.99 a month, you get the full functionality.
No word yet on how the Remote Guild Chat will fit into the free vs subscription service.
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