Look at this guy, with his sturdy Otterbox case. What a hero. From cases that clean your phone to phones you control with your eyes, check out the coolest gadgets being shown off on the eve of Mobile World Congress 2014.
February 23, 2014 9:55 AM PSTUpdated: February 23, 2014 12:20 PM PST
Photo by: Andrew Hoyle/CNET
/ Caption by: Rich Trenholm, Andrew Hoyle
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