![TED Business show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/026/983/small/tedtalks-business.png)
Summary: Your mobile phone, computer and game console have a bloody past — tied to tantalum mining, which funds the war in the Democratic Republic of the Congo. Drawing on his personal story, activist and refugee Bandi Mbubi gives a stirring call to action. (Filmed at TEDxExeter.)