Delivery and fulfillment are top priorities for retailers, both big boxers and small merchants alike. Whether it’s speeding up delivery, cutting costs, utilizing stores for fulfillment or taking last-mile efforts in-house, the investments in this area are clear. When Amazon first unveiled its Prime membership in 2005 — and the promise of free, unlimited two-day shipping — it differentiated itself from the competition in the e-commerce fulfillment space. But as retailers like Walmart and Target began to match that, or offer alternative e-commerce fulfillment options (like buy online, pick up in-store), Amazon needed something to again set it apart from the rest. Read more at Retail Dive.