KEY POINTS
  • The National Retail Federation's Big Show this year features a slew of companies showing off technology that would revamp the grocery shopping experience.
  • America's grocery stores lag behind those across Europe and parts of Asia.
  • Amazon's Whole Foods deal pushed companies like Kroger and Walmart to accelerate innovations.

U.S. grocers are playing catch-up.

Held back by razor-thin profit margins, which have made investing difficult, grocery retailers lagged behind their peers in Europe and parts of Asia in making strides with technology that reduces the time shoppers spend navigating aisles, ringing up purchase and bagging items.