(IMAGE) Bielefeld University Caption Sebastian Loth (left) and Jan de Ruiter show in their study how bartenders take their customers orders in complex situations. Credit Photo: CITEC/ Bielefeld University Usage Restrictions The image may only be used with appropriate caption and credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.