FILE - In this file photo taken Monday, Oct. 25, 2010, Cambria Bird, left, and Lauren Grayson, right, look over an iPhone with an app for texting in the Cherokee language in the fifth grade class of ... more 
FILE - In this file photo taken Monday, Oct. 25, 2010, Cambria Bird, left, and Lauren Grayson, right, look over an iPhone with an app for texting in the Cherokee language in the fifth grade class of the Cherokee Nation Immersion School in Tahlequah, Okla. Experts say a growing number of tribes are trying to revitalize their languages, which in some cases are used by only a small handful of people. And increasingly, they’re enlisting technology in the effort. (AP Photo/Sue Ogrocki, File) less 
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Associated Press | Photo By Sue Ogrocki, File
Wed, Apr 17, 2013 3:02 AM EDT