Ever wished a robot could bring you tea and coffee? Such a robot does exist. That is Bartender Robot. As implied by the name, the Robot only makes tea and coffee upon request when working at the bar. This robotic bartender will make and deliver drinks with finesse. Robot bartenders are considered service robots. Today, bartender robots are available from all the top robotics companies in the world. Robots can process orders, take retail orders, and provide information. And businesses assert that they can engage customers in real ways. Bartender robots have been introduced by Makr Shakr, YANU.ai, cecilia.ai, and others. Robot bartenders are now being used by hotel companies for room service as well. Robotic bartenders are equipped with facial recognition software to assist in customer identification. Some robot waiters even sing happy birthday to customers.