Question to the Blues about SC2

[StarCraft Poster]

I haven't seen any chat rooms. Are there not going to be any in SC2 or just not in beta? We are planning on adding them after the release. I noticed you can't share vision at anytime. Is this just for beta or not a feature that will be in SC2? I noticed you can't unally or change allies during the course of the game (please do..

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