his lilighteni andnd enentertaining t ted talks havan viviewed by millllions online.e. hans: and d many in the e rich ununtries ey t think"oh, w we can never evernd e extme enentertaining t ted talks havan viviewed by poverty."s online.e. of couourse they thihink so. bebecause they d don't even kw what has happened. we havtoto be more sysystematc when w we fight devavastatin ignorancnce. hannahah: and then i i discovd the work of f hans roslingng, really realized all of the conceptions i'd had about how the worlrld was changiging were rereally wrong.. i had spent all these years in education, i i kept up to dade with the daily news, and i just had no idea. reporter: so why does news tend to be dominated by misery and suffering, while positive stories barely have an impact? media critic peter littger says the imbalance in coverage is no accident. peter: negative stories are just part o of the media product meu that we are served. reporter: and that menu, littger says, is determineby intenen cocompetition inin the media w. whetether print, o online, or td radio, the desir

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