Embodiments of the disclosure generally set forth a two-way touch screen based communication system. One example method may include receiving an order for a food item submitted by the first touch screen device via a first network, wherein the order is associated with a first identification for a merchant, a second identification for the customer, and a negotiable parameter reflective of a preference of the customer. The method may also include making available the order for a second touch screen device of the merchant to retrieve via a second network and to display and prior to completing processing of the order, transmitting a first response to the preference of the customer to the first touch screen device via the first network, wherein the first response is submitted by the second touch screen device.