"The SMS Chatwall receives short text messages, sent by any mobile phone and shows it on TV and projector systems. It is a new media event and promotion tool, separated into an administration and a visualization module. The administration module allows to look over incoming text messages before broadcasting them via projector system. All messages can be accepted, declined or edited by the administrator." Developed by Haase & Martin. Now available in English. -- press release. Some older info (in German) here.