Marianne Dhenin:  “Useful radio, including radio technologies used for communication, navigation, and identification, and some noncommercial broadcast radio, like community radio stations, have also been tools of justice movements since radio emerged as an accessible, low-cost, often portable communications technology in the mid-twentieth century.” … Whether as a means of documenting uneven power relations, building community, or creating art, today radio technologies continue to be used in activist spaces in meaningful ways. … Read here …