It was on a friend's floor that Clairissa Mulloy found the laser disc she wore tied above her head like a charming sunhat - better than a CD. "More coverage," she explained. And looking out over those dancers from an upper balcony, Nisey Shanks fluttered her eyelashes so they glowed blue - the deep cobalt of a screen with the input off. She had bought the motion-sensitive LED-strip lashes more than a year ago by supporting the project on Kickstarter, but they had only arrived that morning. "A sign," she said.