“Grocers looking to fill online orders more quickly are testing micro-fulfillment systems that can spit out as many as 4,000 orders a week but can still be housed in the back of stores or in urban areas where space is at a premium. The store owners are evaluating whether automation can help tamp down costs while speeding up deliveries and they are turning to a new set of startups aiming to make e-commerce fulfillment more efficient in a small footprint.”