When United Airlines refused to pay for his broken guitar, Dave Carroll released a complaint diss track. This resulted in the Airline's stock to go down 10%, about 180 Million, and the incident is a Harvard case study. https://t.co/QEAiBTX6ph https://video.twimg.com/ext_tw_video/1772442610176491521/pu/vid/avc1/640x360/aTaT9GVUNMtCKDsZ.mp4?tag=12