This application is for a system for communicating messages between wearable devices. It also uses wristbands, display apparel and accessories and non display apparel and accessories to detect the electro dermal responses, or physiological responses of an audience at a live event, in order to determine their mood. It sends these responses to a server, where it can use the data to control the lighting at the venue. It is used in different arenas and comprises hardware and software to enable devices to communicate with physical and remote servers in order to transfer data and instructions that are related to a specific user and their situation, for example their location or a particular activity.
