Outfitted with two color cameras that run on batteries, the PillCam Colon capsule is being billed as a less invasive and less expensive option to a colonoscopy. Given Imaging hide caption

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Google co-founder Sergey Brin wears Google Glass glasses at an event on the University of California, San Francisco's Mission Bay campus on Feb. 20. Jeff Chiu/AP hide caption

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The iGrill on display at Macworld 2011in San Francisco. Tony Avelar/Bloomberg via Getty Images hide caption

toggle caption Tony Avelar/Bloomberg via Getty Images

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