i'm Home. “Every time you start a conversation using i’m, Microsoft shares a portion of the program’s advertising revenue with some of the world’s most effective organisations dedicated to social causes.” Microsoft are now getting their marketing ideas from spam e-mail forwards.
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In case my commentary looks overly snarky, I do think this is a good idea and a nice nod towards worthy causes. I just found it funny after years of receiving e-mail forwards claiming "Bill Gates will give you a dollar for everyone who you forward this e-mail to".