Added 18 June, 2012
How is British band Coldplay ramping up its concert experience? With custom wristbands that light up in rhythm to the music. These promotional light-up bracelets are activated using a radio signal, and they’re customized with the Twitter hashtag #coldplayfilm to promote the band’s live DVD. When an entire arena is packed with concert-goers wearing these custom wristbands, the place ignites in a multicolored, flashing glow.