Walmart tried this 4 years ago. Curious why they abandoned it. http://theweek.com/articles/472687/walmarts-scan--iphone-app-future-shopping http://theweek.com

Walmart tried this 4 years ago. Curious why they abandoned it. http://theweek.com/articles/472687/walmarts-scan--iphone-app-future-shopping http://theweek.com/articles/472687/walmarts-scan--iphone-app...