A Mobile Phone Showing the HEY! Shake User Winning a Prize (image) Nanyang Technological University Share Print E-Mail Caption A mobile phone showing the HEY! Shake user winning a prize after shaking during an NTU campus video. Credit NTU Singapore Usage Restrictions For this story only Share Print E-Mail 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.