Light It Up Blue Light it up Blue Light It Up Blue Light it Up Blue http://en.wikipedia.org/wiki/Light_It_Up_Blue http://en.wikipedia.org/wiki/Light_It_Up_Blue Light It Up Blue Light It Up Blue Light It Up Blue Autism. Autism. Light it up Blue Light It Up Blue Light It Up Blue (#LIUB) Campaign launched by Autism Speaks http://en.wikipedia.org/wiki/Light_It_Up_Blue