Posted in NY Post Etiquette expert reveals 5 common coffee shop habits that customers need to stop March 8, 2026 Coffee shops may feel cozy and casual, but one etiquette expert says too many customers forget they are still shared public spaces. https://nypost.com/2026/03/08/lifestyle/etiquette-expert-lisa-mirza-grotts-reveals-5-common-coffee-shop-habits-that-customers-need-to-stop/