Secretive, super-rich startup Magic Leap finally revealed its first product: An augmented reality headset that throws it into competition with Microsoft’s HoloLens. Plus, we explain the science behind a new “universal” flu vaccine and play a round with the new Echo Buttons. Follow all our coverage and read more about this week's stories at GeekWire.com

Thank you to this week's sponsors: Winshuttle (Winshuttle.com) Hughes Marino (hughesmarino.com) Kinects (kinectstower.com) And the University of Washington’s Master of Science in Entrepreneurship (foster.uw.edu/msentre)

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