In this Q & A from Aug. 19 Peter Diamandis, innovator and founder of the X prize, talks about the future of social platforms, technology replacing human jobs and how startups can balance researching innovative technologies while staying attuned to present business strategies...

If you're geeking out about this Spreecast, check out video clips on the WSJ's Startup of the Year, where we'll be featuring science-oriented mentors all week.

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