…mit clip, some with laptop bags slung over their shoulders, others carrying swank leather satchels. At the same time a second, temporary population streams into the building: the app-based meal delivery people hoisting thermal carrier bags and sacks. Green means Sprig. A huge M means Munchery. Down in the basement, Amazon Prime delivery people check in packages with the porter. The Instacart groceries are plunked straight into a walk-in fridge.