A Colorado teenager is using an iPhone app to identify objects like food, medication and his favorite sports cards. The app takes photos, then a voice tells him what the photo shows. CBS Denver's ... more 
A Colorado teenager is using an iPhone app to identify objects like food, medication and his favorite sports cards. The app takes photos, then a voice tells him what the photo shows. CBS Denver's Kathy Walsh reports. less 
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Thu, Mar 13, 2014 5:48 PM EDT