So everyone can find it pretty easily. This is part of the ToS YOU ALL agree to when you log into this game every single time.

""We do not, and cannot, pre-screen or monitor all User Content. However, our representatives may monitor and/or record your communications (including without limitation chat text) when you are using the Service or playing a Game, and you hereby provide your irrevocable consent to such monitoring and recording. You acknowledge and agree that you have no expectation of privacy concerning the transmission of any User Content, including without limitation chat text or voice communications. We do not assume any responsibility or liability for User Content that is generated by users. We have the right, but not the obligation, in our sole discretion to edit, refuse to post, or remove any User Content. WE ALSO RESERVE THE RIGHT, AT ALL TIMES AND IN OUR SOLE DISCRETION, TO DISCLOSE ANY USER CONTENT AND OTHER INFORMATION (INCLUDING WITHOUT LIMITATION CHAT TEXT, VOICE COMMUNICATIONS, IP ADDRESSES, AND YOUR PERSONAL INFORMATION) FOR ANY REASON, including without limitation (a) to satisfy any applicable law, regulation, legal process or governmental request; (b) to enforce the terms of this or any other agreement or Blizzard policy; (c) to protect our legal rights and remedies; (d) where we feel someone’s health or safety may be threatened; or (e) to report a crime or other offensive behavior."


So...what did Blizzard do that was "over the line" or "invading" in any way now? Sounds to me like they didn't do a damn thing wrong at all.