Britain's hottest young entrepreneur Jamal Edwards, founded YouTube-based SBTV in 2006 with a self-recorded grainy rap battle. Now hailed as one of the most important digital youth culture platforms, SBTV boasts over 950,000 subscribers and 600+ million views and has launched the careers of countless UK grime and hip-hop artists. On a mission to break the stigma around mental illness, Jamal talks to Jolyon Rubinstein (The Revolution Will Be Televised) about his influential career, his recent documentary exploring mental health and his future plans for SBTV and beyond.