Starbucks offers incentives to customers to use reusable cups for both in-store and to-go consumption.
Is this apparent to you as you shuffle, bleary-eyed, through a Monday-morning coffee lineup that snakes around a snack display and out toward the door? Do you give any thought to the travelling mug sitting at the back of the kitchen cupboard back home? Do you care? Or who should care more, you or the grande latte company?