For those old-timers who chanted "Disco Sucks" ad nauseam at the dawn of the '80s, technology has finally granted your wish. England's Glastonbury Festival has announced a revolution in club land--the silent disco. The honchos behind the festival have been battling with local noise restrictions, so they decided to give ravers headphones as not to disturb the surrounding residents. The new technology was pioneered by the Dutch and allows partiers to set the volume of their headsets to their preferred level of groove. The Glastonbury Festival runs from June 24--26.