Coldplay singer Chris Martin tells MTV News that there always is a conflict for people on whether are useful on earth. “I reckon everybody in the world questions whether they’re useful to the world or not,” said Martin. “Some people think they’re doing marvelous things. Hitler thought he was doing great things for the world, and yet we’d all say, ‘No, no, no, he was doing terrible things.’ Some people would say that Coldplay is a great thing for music and the world. Other people would regard us as the devil incarnate, so of course it’s always a conflict.” Read more.