Over time, says Zach Stratton, a QFC spokesman roaming the aisles with Stephens, the Kroger system “will know your shopping enough to know that, ‘Hey, you don’t buy meat, so I’m not going ...

As traditional grocers reckon with Amazon’s push into the grocery arena and its blockbuster purchase of Whole Foods Market for $13.7 billion, many have been driven in to the arms of Instacart.