If you're like millions of other people, you hate making phone calls. "Why can't I just text," you might think, "and only call if there's an emergency?" Google may soon have a solution with Duplex, a new technology for conducting natural conversations to carry out “real world” tasks over the phone. For many this feels like a startling and innovative convenience -- no more awkward conversations making appointments or routine check-ins, right? Yet critics of this concept warn we may be approaching something much bigger, and much more dangerous, than a simple piece of helpful software. If computers begin effectively impersonating you, how will you be able to prove your own identity?

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