LOS ANGELES--(BUSINESS WIRE)--XPRIZE, the global leader in incentivized prize competitions, in partnership with the Barbara Bush Foundation for Family Literacy and the Dollar General Literacy Foundation, today announced the launch of the $7M Adult Literacy XPRIZE, a global competition challenging teams to develop mobile applications for adult learners that result in the greatest increase in literacy skills in just 12 months. “A parent’s literacy level is a significant predictor of their child’s