Systems and methods to implement point of sale (POS) terminals, process orders and manage order fulfillment

The system helps businesses manage sales and customer engagement through a central server. After a customer buys something, the system creates a unique digital coupon for them to share with friends. When a friend uses this coupon for their own purchase, they get a discount, and the system keeps track of its use. It can also share details about the original purchase, like item ratings, to the customer's other online accounts.