Delivery of this kind is a three-agent problem: the company needs to coordinate between the restaurant, the driver, and the customer to make the whole thing wor

Delivery of this kind is a three-agent problem: the company needs to coordinate between the restaurant, the driver, and the customer to make the whole thing work. This includes matching the customer to a driver who is in a good position to deliver on time. Keep in mind that the dispatcher, restaurant, driver, and customer may have no prior relationship. You can do that at a small to medium scale without a lot of technology, e.g. taxi dispatch in a city can be operated by a small group of people in an office. But to scale such a service across an entire country, or the world, operating 24/7, is a massive coordination problem where technology can have a huge impact.