Several delivery services, including Postmates, Seamless, Grubhub, and DoorDash, are offering food from restaurants without their explicit permission . "The delivery apps pull up restaurant menus listed online, from which customers make their selections, and couriers working for the apps place orders on their behalf," reports Eater. "The process essentially inserts third-party apps as middlemen into a service many restaurants say they want control over, or wish to opt out of entirely." From the report: