An online tutorial
By Greg Kline
Saturday November 4, 2006
To Janice Harrington, it sounded like math homework – homework a mom and her kid were struggling with for hours recently at the Champaign Public Library, where Harrington is the children's services manager.
"The mother, the voice is getting higher and higher," Harrington said, recounting the scene. "A lot of repetition was going on."
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