Google is about to let total strangers email you. Here’s how to opt out: http://slate.me/1a4p5Q9Google Is About to Let Total Strangers Email You. Here’s How to Opt Out.www.slate.comGoogle just announced a big change that, as far as I can tell, no one was asking for except perhaps the people who run Google Plus, its failed Facebook clone ubiquitous online identity service. Starting today, the company is rolling out a feature