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This week on WDD's Hotspot brought to you by Memory Protection Devices http://memoryprotectiondevices.com/:

-- Samsung is close to announcing its Galaxy S IV, which according to the New York Times, will feature software that tracks your eye movement.
-- Overdrive Robotics' smartbot is a smartphone and robot in one.
-- Start-up LIFEBeam engineers have adapted aerospace technology to create the heart rate-monitoring SMART bicycle helmet, which utilizes a sweat-resistant optical sensor mounted on the inside front of the helmet.
-- Thimble Bioelectronics is working on a patch based on Transcutaneous Electrical Nerve Stimulation or TENS that's designed to provide portable pain relief.

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