According to a new study from Inmar, traditional grocery has been taking hits, not just from newer ecommerce options but also warehouse clubs and big box multichannel retailers. Grocery shoppers are spreading out their spend across more channels than ever, and even smaller retailers feel pressure to offer digital options.

One-hour curbside pickup is the latest Amazon benefit granted to Whole Foods Market shoppers using the Prime Now app. Getting items to shoppers quickly and more conveniently (not to mention cost-effectively) is where the retail battle is being fought.