Try visiting their website for more information about Grubhub
As a business it is very important to know what customers want and expect from you, so answering questions is important. Knowing what the average consumer wants will help elevate your business and improve customer satisfaction levels.
As a customer it can be advantageous to ask questions to businesses via email, phone, or live chat (depending on the circumstances). This will improve your customer experience and every business including Grubhub will benefit greatly as a result.