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Watch The Human Race Online Facebook Hacking

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The bots were attempting to imitate human speech when they developed their own machine language spontaneously - at which point Facebook decided to shut them down.

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Use one of the services below to sign in to PBS: You've just tried to add this video to your Watchlist so you can watch it later. · Usain Bolt hits the track for the final time on Aug. 12. Don't miss him competing in the 4x100m relay -- watch the race live stream. The Flash Video: The exclusive home for The Flash free full episodes, previews, clips, interviews and more video. Only on The CW. · Why Mark Zuckerberg wants everyone to read an Israeli historian's book about the human race. Offers seminars and online courses for nursing, mental health, legal, and real estate professionals. Includes seminar schedule and list of books and tapes. Get the latest science news and technology news, read tech reviews and more at ABC News.

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