Shopify today announced that it will acquire Deliverr, a San Francisco, California-based ecommerce fulfillment startup, for $2.1 billion in cash and stock. The deal, rumors of which were reported in April by Bloomberg, is the largest acquisition in Shopify’s history, and Shopify founder and CEO Tobi Lütke says that it will enable the company to create an “end-to-end logistics” platform for millions of merchants.