Google goes through every Gmail that’s sent or received, looking for keywords so they can target Gmail users with paid ads. And there’s no way to opt out of this invasion of your privacy. Outlook.com is different—we don’t go through your email to sell ads.
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Good call. Here’s a snapshot of scroogled.com in 2013 from the wayback machine.
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This didn’t age well. Not that Microsoft were above board back then either.