Walmart now lets customers pay with its app at many stores across the US

Walmart introduced a mobile payment feature last year that lets customers use its app to pay at checkout, and now the service is getting close to reaching nationwide availability. As Engadget first reported, the service has just expanded to more than 30 states just in the past two months, including New York and California as of this week. Last year Walmart promised that the service would be available nationwide by the first half of 2016. The Walmart Pay feature lets customers simply us