This is part of the reason why stores have "frequent shopper" cards — to help understand what people in their stores are buying. I've done BI/BA work with an a

This is part of the reason why stores have "frequent shopper" cards — to help understand what people in their stores are buying. I've done BI/BA work with an agency for major big box retailers (let's call them HomeBuyColaCo). You'd think they'd be monetizing the poop out of that data, but they're not using the data anywhere to the level they could be, should be, or most people think they are.