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

itoggle caption Given Imaging

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

itoggle caption Jeff Chiu/AP

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

itoggle caption Tony Avelar/Bloomberg via Getty Images