Cost Cutting Machine News Today

Went to the nations largest private employer. >> reporter: once upon a time jose avila had to have an incredible memory. when you started were you supposed to have memorized where everything is? >> yes. >> reporter: and great shoes. >> so i would have to actually take them to the items that they needed, so from one end of the store to the other. >> reporter: but today an a.i. powered app shows where everything is and needs to go. >> its making my job much easier. >> reporter: walmart is already ...