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And why would I want to do that?
If I'm emailing someone, I'm emailing them, not calling them nor chatting with them, nor using IM with them. How ridiculous. Would you want your postman to open your mail, then read it to you on the phone? Would you want all your telephone conversations transcribed and sent to your mailman? Would you want something you sent by mail SHOUTED OUT across the street? Ridiculous.